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Breakthrough in Biodiesel Production

MGR writes "National Geographic is reporting that Japanese scientists have discovered a way to convert vegetable oil into biodiesel with a much less expensive catalyst (between 10 and 50 times cheaper) than what is currently used. From the article: 'Any vegetable oil can become fuel, but not until its fatty acids are converted to chemical compounds known as esters. Currently the acids used to convert the fatty acids are prohibitively expensive. Michikazu Hara, of the Tokyo Institute of Technology in Yokohama, Japan, and his colleagues have used common, inexpensive sugars to form a recyclable solid acid that does the job on the cheap.'"

406 comments

  1. Finally! by Anonymous Coward · · Score: 4, Insightful

    I hope we can finally dump our dependence on foreign oil. If this sort of thing really comes through, the Saudis are going to be PISSED.

    1. Re:Finally! by Anonymous Coward · · Score: 0, Flamebait
      Great. So we're no longer dependent on desert barbarians, but instead on grassland barbarians (Khazakstan, Pampas, Kansas). We'd be trading one bunch of numbskulls who spend their energy dollar bonanza on funding crazed fundamentalists for another, all too similar, bunch of numbskulls.

      So fusion is still the only way to go: not only is it emission free, it's the method that pays the greatest proportion of its cost to smart city people, and the least to backwoods morons.

    2. Re:Finally! by dotwaffle · · Score: 1

      The Saudi's may be pissed, living in a desert and all, but think about it, genetically modify corn based plants to grow in a well-irrigated desert (and this is possible, things do grow in the desert) and suddenly the Middle East becomes a place to grow fuel - hey, it could even help African countries. Of course, the USA also has lots of wasted space... But for me as a Brit, with very low spare space, I'd be happy to buy African corn based fuel, in fact I'd probably prefer it.

    3. Re:Finally! by DrSkwid · · Score: 3, Informative

      and using the desert as one big hydroponics setup would help global warming.

      Don't only a huge carbon sink but also all that nasty water vapour from the ice caps melting and the sea levels rising would be a huge water sink also.

      Australia could join in too.

      --
      There are places where the networks are not touching,and there are places where they are-Boeing's Lori Gunter
    4. Re:Finally! by Anonymous Coward · · Score: 0

      All these altern-o-fuels may be neat but are they too little, too late? I hope not. Foriegn oil supplies won't last forever, and ours have already peaked...

    5. Re:Finally! by Anonymous Coward · · Score: 0
    6. Re:Finally! by ThereCanBeOnlyOne007 · · Score: 0

      Or do you mean Japaneese people can break the dependense.

    7. Re:Finally! by Anonymous Coward · · Score: 0

      No, I'm thinking more that they'll wake up and say "Oh, shit! Our massive money intake is gone. NOW what?". It ain't gonna be pretty, because they're NOT going to like being in the position, even with the massive amount of cash they already have.

      The thing is, one day, that will happen. Either alternate fuels, finally running out of oil, or something. When that day comes, and they realize their ride is over, it's going to be really nasty.

    8. Re:Finally! by _KiTA_ · · Score: 3, Interesting

      Not really. The Saudis are more aware than most that their oil domination is rapidly going to run out. They even have a saying on the matter. "My father rode a camel. I ride a car. My son flies a jet. His son will ride a camel."

      No, what I would expect more than anything is the Saudis to invest heavily in BioD and other alternative energies once they see a winner and corner that market as it emerges.

    9. Re:Finally! by Obyron · · Score: 3, Insightful

      Everyone's always for helping the poor African citizens on principle, but they forget the African political climate. What money is netted from this is going to go to the Mobutu Sese-Seko, Charles Taylor, Robert Mugabe, King Mswati, Idi Amin, Omar al'Bashir, Sani Abacha, and Gaddafis of the world. Prosperity in Africa won't come about simply by giving them a new commodity they can use to make their dictators rich.

      --
      --Obyron
    10. Re:Finally! by jadavis · · Score: 1

      I don't think the energy market has a concept of "too late" at all. New technology is becoming more important, not less important, as time goes on.

      --
      Social scientists are inspired by theories; scientists are humbled by facts.
    11. Re:Finally! by Firethorn · · Score: 1

      Some mideastern countries see this. Saudi Arabia has mostly seemed more concerned with running their welfare* system. There are a number of other countries that are looking into nuclear power, not so much for the power, but because it greatly eases desalination. Enough desalinated water and you can irrigate even deserts for crops. Enough power and you can produce aluminum. Besides, even though it's cheap, why burn the resources you make 90% of your money from to fuel your own country, when you can use a different, non-polluting power source? I've also seen some countries pushing college and engineering technology very, very hard.

      *Some would say indoctrination

      --
      I don't read AC A human right
    12. Re:Finally! by Anonymous Coward · · Score: 0

      you are an idiot.

    13. Re:Finally! by 1stworld · · Score: 1

      Actually, Canada and Mexico would be more upset than Saudi Arabia. Canada is the largest USA supplier of crude oil and petroleum products. Venezuela and Nigeria are large exporters as well. http://www.eia.doe.gov/neic/rankings/totimportsby_ country.htm

    14. Re:Finally! by Abcd1234 · · Score: 2, Insightful

      Ummm... you do realize that burning gas is only one way in which oil is consumed, don't you? Or did you forget about plastics, styrofoam, synthetic fibers, lubricants, fertilizer... hell, Cool Whip. In fact, gasoline comprises only 45% of oil consumption:

      reference

      So, don't count on breaking that dependence on 'foreign oil' so easily.

    15. Re:Finally! by Anonymous Coward · · Score: 0
      I don't think the energy market has a concept of "too late" at all. New technology is becoming more important, not less important, as time goes on.

      More important, yes.

      The problem is, will these alternatives mature quickly enough and be already implemented when oil production begins declining. We really need that to happen before world oil output peaks. Some people think it already has. Some people think it won't happen for 50 years. Nobody will know until after the fact, and then it will become apparent in a number of ways. If suitable replacements are not developed quickly it would put us all in a world of hurt. Even if the oil production peaks in 50 years, we should set renewable energy or alternative energy sources as a very high priority nationally if we are to avoid the ugliness that the pessimists predict. Just because they are pessimistic doesn't make them wrong. I would rather be safe then sorry.

      Unfortunately all of our resources seem to be funneling off into foreign conflicts at the moment...

    16. Re:Finally! by Mortlath · · Score: 2, Informative
      Charles Taylor - Former President of Liberia

      Mobutu Sese Seko - Former President of Zaire

      Robert Mugabe - the head of government in Zimbabwe

      King Mswati - the king of Swaziland

      Idi Amin - Former President of Uganda

      Omar al'Bashir - president of the Sudan

      Sani Abacha - former military dictator of Nigeria

      Gaddafi - the leader of Libya

      These all look like real people to me.

    17. Re:Finally! by JVert · · Score: 2, Informative

      45%? No thank you, i'll drive my oil like an american.

      Thus, while oil continues to account for more than 95 percent of all the energy used for transportation in the United States, oil accounts for less than 20 percent of the energy consumed for other, stationary uses, down from 30 percent in 1973.

    18. Re:Finally! by moro_666 · · Score: 1

      if you really think that khazakstan is a good place to produce biodiesel, you should check that map again :)

      most of europe is ideal for the biodiesel business because the plants needed for it can grow all over the place, the same for the central and northen part of united states. australia and southern part of south america can do it as well. but khazakstan is a bad choice, cause the plant can't grow on desertly looking landspots nor on mountains.

      you just need a normal field with enough humidity to grow it. not some extra special place.

      --

      I'd tell you the chances of this story being a dupe, but you wouldn't like it.
    19. Re:Finally! by jadavis · · Score: 1

      The way I understand it, nuclear power and electric cars are the solution.

      Get a workable electric car going (or fuel cell, which is just an electric car with a hydrogen-powered battery), and get out of the way of nuclear power, and we're set. It actually seems quite close, aside from the infrastructure.

      --
      Social scientists are inspired by theories; scientists are humbled by facts.
    20. Re:Finally! by monkeybutter · · Score: 1

      If I read your quoted statement correctly, it seems to me that it is only talking about energy consumption, not total oil used.

      I do not have any figures myself, but it seems to me that both you and parent may be correct.

    21. Re:Finally! by stomv · · Score: 1

      I clicked on the parent's link, and found this chart:

      http://www.eia.doe.gov/pub/oil_gas/petroleum/analy sis_publications/oil_market_basics/Dem_image_US_co ns_sector.htm

      So while 45% may be gasoline, 65% is transportation. If that use goes to 0% due to biofuels, electric cars/trains/busses running on stored wind/solar/bio power, etc then we're only consuming 1/3rd of the oil we're consuming now. Since only about 20% of our oil comes from the Middle East (about 25% from OPEC, but that includes Venezuela, etc) we'd be able to cut out the Middle East entirely. Other domestic tricks (like using F-T to convert coal to liquid fuel) could extend tUSA's production, and Canada's tar sands could keep North America "truckin'" for a long time.

      But then some other country would buy their oil from the Middle East, right? Well, if this technology existed at marketable prices in tUSA, you can bet it would be being used in Europe. The only major oil net-consumer left? China. I don't have any idea what position they'd be in, but I suspect if tUSA and Europe wanted to help China become more energy independant, China would be happy to go along for the ride... all the while, the price of Middle Eastern oil would fall.

    22. Re:Finally! by Anonymous Coward · · Score: 0

      Never going to happen. You will still need loads of natural gas to manufacture fertilizers and oil to make pesticides. In addition, you can either meet the populations food needs or their bio-fuel needs with the available land left for farming, but not both. Food or fuel? which is it going to be?

    23. Re:Finally! by B3ryllium · · Score: 1

      Canada wouldn't be totally upset ... we have a lot of farmland. I'm sure many of the oil workers would rather be farmworkers, for safety reasons. :)

    24. Re:Finally! by llefler · · Score: 3, Insightful

      The way I understand it, nuclear power and electric cars are the solution.

      Nuclear power and electric cars are a solution, probably not the solution.

      It actually seems quite close, aside from the infrastructure.

      Infrustructure is a HUGE problem. How do you get electricity or hydrogen to where you need it? For the US anyway, you're talking about reworking the entire electrical grid. And we still don't have an acceptable way to dispose of the nuclear waste. I'm a proponent of both nuclear and hydrogen power. But we need to be realistic.

      With biofuels you can use current infrastructure. And current vehicles can use it with little or no modifications. Probably the reason there is so much interest in biodiesel is that with a cost effective solution there, you could convert every train and semi in America. Go for the least disruptive method that targets a very large market. From there you can look at either diesel cars or ethanol as the next step.

      That's not to say you can't use more than one solution, but I don't see electric/hydrogen cars being popular outside of larger cities any time soon.

      --
      It is amazing what you can accomplish if you do not care who gets the credit. -- Harry Truman
    25. Re:Finally! by Kadin2048 · · Score: 1

      Although I'd love to break our dependence on foreign oil as much as the next person, I'm not sure that's going to be possible, even if you made a reusable catalyst that only cost a dollar and took raw corncobs in one end and spat 89-octane premium unleaded out the other. I've seen statistics that show that even if you took all the corn and soy and canola production on the N.American continent and used it for nothing but bio-fuel production -- no more corn or soy or canola based foods at all -- you wouldn't get more than 25% of our current transportation fuel demand. Maybe less. And if you retain the food usage that we have now (because otherwise you'd just be replacing everything that uses corn syrup right now with imported cane sugar anyway) and just use surplus farm capacity plus recycled oil, I think it's only about 10% of demand that could be filled.

      I think the biggest potential for bio-diesel isn't using it as a straight fuel, but as an additive to regular diesel, to reduce fossil fuel consumption. Also, we need to keep working on catalysts to find other ways of replacing lighter fossil-fuels with renewable ones. In particular, I'm thinking of jet fuel and aviation gasoline: I don't know of anything that has the energy density to replace them (although I do think the Air Force experimented once with the idea of a nuclear powered plane), and we're going to really be stuck when we start to run out of petroleum if we haven't found a replacement for those products that come off higher up the cracking tower than diesel fuel.

      --
      "Ladies and gentlemen, my killbot features Lotus Notes and a machine gun. It is the finest available."
    26. Re:Finally! by Lord+Apathy · · Score: 1

      Like it or not, and someone doesn't, he does have a point. We crawled in bed with the oil pirates because we had no choice. In the future it would be in our best interest to mind who we do business with. We need to take in to account all aspects of a culture when we do business with them, their government policies, the stability of the government, and their religious practices.

      --

      Supporting World Peace Through Nuclear Pacification

    27. Re:Finally! by Bearel · · Score: 1

      Sci Am had an interesting article re nuclear waste last month. Apparently, only 5% of the energy of nuclear fuel is consumed with current methods.

      Using fast reactors and some newly developed processing techniques you can up that percentage to 95%.

      The waste from these reactors is much less harzardous since its energy content is almost all consumed. Not a physicist so I'll leave out the details...

      Additionally, all the nuclear "waste" we have sitting around, right now, could power these reactors for literally decades. No mining (or storage) necessary.

    28. Re:Finally! by Thecarpe · · Score: 1

      Whatever it takes to get them to quit emailing me for a place to hide their money...

    29. Re:Finally! by alva_edison · · Score: 1

      I attened an Engineering School for my Undergrad about 3 years ago. The national breakdown was about this: 72% from the U.S.A., 9% from India, 6% from Saudi Arabia, 2% from other Islamic Countries, 1% from Canada, 1% from other countries [off hand, I knew students from England, Africa(Kenya I think?), and Germany]. Given the sample size (students I interacted with), these numbers are probably wildly inaccurate but this is what I saw.

      --
      He effected a bored affect.
    30. Re:Finally! by alva_edison · · Score: 1

      I should have previewed, I appologize for the spelling and grammatical errors in the praent.

      --
      He effected a bored affect.
    31. Re:Finally! by pixelpusher220 · · Score: 1

      Is this true? My (quite limited) understanding was that our 'type' of reactors produced waste so that it couldn't be used for bomb material.

      The 'breeder' reactors that you describe also produce weapons grade material and so we haven't actually been building that type.


      --
      People in cars cause accidents....accidents in cars cause people :-D
    32. Re:Finally! by ecxman · · Score: 1

      That is true that the normal feed stock like soy, corn, etc is not enough to replace all petro use in the US. That is why there is a slow push to extract the oil from algea. If you are interested in more info, you can read this article http://www.unh.edu/p2/biodiesel/article_alge.html

      I personaly run 100% biodiesel in my new pickup truck and love it. It currently does not cost me anymore than good old petro-diesel. There is little to no loss in power and my mileage has increased. So it seems to be a great way to remove the dependancy on petro-oil for cars and trucks. This would leave the petro-oil available to aircraft and other uses untill we find a replacment for that us too. Removing cars, trucks, trains, and ships from petro-oil usage would leave petro-oil in less demand.

    33. Re:Finally! by Kadin2048 · · Score: 1

      Interesting about the article. I was not aware of that method of production.

      Regarding your truck, where do you get your bio-diesel? Do you roll your own, or have someone make it for you? I have seen it made in a small batch before, but the amount of lye required seemed rather large and the "washing" process labor-intensive. I've heard rumors that there is somebody out there who has homebuilt a continuous-production system, rather than a batch-based one; I don't have any information on it though. But it's always something that's intrigued me though, and hopefully as the technology matures it'll become less resource and labor-intensive.

      --
      "Ladies and gentlemen, my killbot features Lotus Notes and a machine gun. It is the finest available."
    34. Re:Finally! by ecxman · · Score: 1

      I get my BD from a local distributor that sells to fleets and other entities interested in using it. So it is made from virgin soy. There is talk that we may see some production tests soon using algae feed stock. I would not make my own since getting the used vegetable oil is not always a simple task. I too have heard about the continuous-production system, but I do not know anyone using it yet.

      Because of some of the concerns regarding the use of BD, there is a slow uptake of its production right now. The biggest draw back is the increased release of NOX when it is running at a blend of B30 or higher. There is an additive that is being tested that resolves this issue. Once that is fully available you will see a huge push for BD. Once production goes up, the technology to produce it cheaply will be developed. Starting in 06 you will see more diesel cars available for sale then before. The companies are getting ready for the big BD push and the huge increase in demand for bio-diesel powered cars. BD is also gaining ground in Europe where 40% of the cars on the road are powered by petro-diesel.

    35. Re:Finally! by jadavis · · Score: 1

      For the US anyway, you're talking about reworking the entire electrical grid.

      Why? We use nuclear power already.

      I'm a proponent of both nuclear and hydrogen power. But we need to be realistic.

      Hydrogen is not a source of energy (well, not a source of chemical energy, perhaps a source of nuclear energy), it's just a way to store energy. A hydrogen fuel-cell car is still an electric car in my opinion.

      I would like to see new sources of energy, but I don't see much promise out of biodiesel myself. The only way for that to work is if it's more economical to produce than gasoline, and it's still a long way from that as far as I can tell. Solar seems to me to be a dead end also.

      --
      Social scientists are inspired by theories; scientists are humbled by facts.
    36. Re:Finally! by llefler · · Score: 1

      Why? We use nuclear power already.

      Because in many areas our power grids are already being utilized at their maximum capacity. Note the blackouts of the recent past. If the population moved en-mass to electric transportation, our power grids couldn't support it. With electric cars you have two choices, batteries or hydrogen fuel cells. Hydrogen you could move production closer to the source and spare the grid, but then pay for transportation. And the most economical solution is to produce it at the station, like Iceland is doing.

      As far as biodiesel is concerned, it's reasonably affordable now. A year ago B20 was being sold at the same price as diesel, with current prices it should be even more attractive to produce. Granted, part of that price is subsidized (1 penny per percent of biodiesel), but realistically dino fuels are subsidized too, at a cost of about $100 billion a year. Assuming you aren't naive enough to think Iraq is about freedom.

      --
      It is amazing what you can accomplish if you do not care who gets the credit. -- Harry Truman
    37. Re:Finally! by buck_wild · · Score: 1

      Hm. Aren't they having a water shortage over there in the Middle East?

      --
      If all you have is a hammer, everything looks like a nail.
    38. Re:Finally! by buck_wild · · Score: 1

      Very interesting. Are you aware of any estimates on how much waste would be produced?

      --
      If all you have is a hammer, everything looks like a nail.
    39. Re:Finally! by jadavis · · Score: 1

      Granted, part of that price is subsidized (1 penny per percent of biodiesel), but realistically dino fuels are subsidized too, at a cost of about $100 billion a year. Assuming you aren't naive enough to think Iraq is about freedom.

      I read that to mean that the subsidy is $1/gallon for 100% biodiesel. Does that include the farm subsidies for the necessary ingredients?

      I understand your point about gasoline being subsidized. However, I suspect that if we crunch the numbers, gasoline will still be more economical.

      --
      Social scientists are inspired by theories; scientists are humbled by facts.
  2. key word is catalyst by ChrisGilliard · · Score: 5, Insightful

    with a much less expensive catalyst (between 10 and 50 times cheaper) than what is currently used.

    Note: the catalyst is 10 - 50 times cheaper, not biodisel fuel itself, while the breakthrough is meaningful, the headline is misleading. I'd be curious to know what percentage of the total cost of producing biodisel is related to the cost of this catalyst.

    --
    No Sigs!
    1. Re:key word is catalyst by bogaboga · · Score: 4, Insightful

      Still, this is an important development. If it is true and workable, most 3rd world countries will be able to "grow" a very essential component of fuel. Right now, there is no way these countries can avoid paying their hard earned dollars to the oil companies of the world, most of which are from the west.

    2. Re:key word is catalyst by TheGavster · · Score: 4, Insightful

      It should also give the third world a new market for their agricultural products; while we may make it a pain for people to sell us food, it's easy as pie to sell fuel over the border.

      --
      "Because Science" is one step from "Because old book". Try "Because of my experiment testing my falsifiable assertion".
    3. Re:key word is catalyst by Anonymous Coward · · Score: 1, Insightful

      Considering that we have more arable land than almost any country in the world, and that we actually pay some of our farmers not to farm (as well as dumping crops into the oceans), it would be logical that we would become the major biodiesel producer in the world. Yellow mustard and rapeseed don't need to be grown in the tropics. While biodiesel will be helpful for the world, it will not be a huge economic bonus to third world countries.

    4. Re:key word is catalyst by j-cloth · · Score: 5, Insightful

      Not just the 3rd world -- farmers in general. I ran screaming from the prairies because there are no jobs and no money there. More markets for farmers are a Good Thing.

    5. Re:key word is catalyst by Anonymous Coward · · Score: 0

      about 70 percent of corn grain is fed to livestock and poultry in the United States Increasing ethanol production would further inflate corn prices

      How much is paid to farmers NOT to grow ANYTHING? Is this more than what it would cost to grow corn for conversion into fuel?

    6. Re:key word is catalyst by foniksonik · · Score: 4, Informative

      Dude, that's from 2001. It's been 4 years and improvements have been made. Plus he's talking about corn, not rape seed (Canola) or mustard seed or soybeans or cotton seed where the yields are much better for biodiesel than for ethanol (which isn't what this is talking about anyways).

      Repeat after me: "Ethanol is not biodiesel" "Ethanol is not biodiesel" "Ethanol is not biodiesel"

      This post is pure FUD and the guys study was probably financed by entrenched petroleum industry advocates anyways....

      --
      A fool throws a stone into a well and a thousand sages can not remove it.
    7. Re:key word is catalyst by Anonymous Coward · · Score: 0

      While your circular logic is sound, the economics is not why using ethanol in your gasoline car sucks. There are 2 problems.

      Energy density. Ethanol in a combustion chamber makes way way less power than gasoline. When a gas station "dilutes" the gas with ethanol, your miles per gallon goes down because it takes more fuel to push you a mile. Notice how ethanol gas stations charge the same price as those who don't sell ethanol blends? They are literally laughing all the way to the bank.

      Damage to your car. Ethanol is wet! Lots of water that way. Ethanol also tends to form a sludge in the bottom of your tank, god forbid you should run your tank below 1/8 and suck all that shit up. Bye bye fuel pump, bye bye fuel filter, whoops clogged injectors. Did I mention ethanol is bad for all the seals in your fuel system? Swollen seals, worn o rings, cars running on ethanol blends have much higher repair costs than "normal" gas.

      Want to research fuels more? Google for acetone in gas, and why petroleum companies are not doing it.

      It's all about stealing your money through the nozzle of a gas pump.

    8. Re:key word is catalyst by ChrisGilliard · · Score: 2, Interesting

      While this is interesting as you've pointed out, I still think we ought to focus on Solar power in particular for third world nations. Solar is the real solution to the future energy production issues. I've found quotes for Solar power setups (including batteries for storage) for "large" houses that cost about $25,000. If you roll this into your home mortgage (assuming 5.8%), the extra cost per month is only about $120. This is probably a little bit higher than the electric bill, but it's at least in the ballpark for a large house. With some govt. subsidy and a continued drop in these prices, I really think it will soon be economically viable. This is really the way to go. As it is, it's much cheaper to do a solar setup than to pay for the whole grid infrustructure to be created for remote areas. This is why it's popoular in places like Africa that don't have well built out energy grids. Imagine if it the prices droped by 50% over the next ten years for this setup. Then it would really make sense to setup your own solar panels for energy. This would have dramatic effects on society. We could virtually eliminate most power plants including natural gas plants and nuclear. Their replacement would be an incredibly distributed grid of solar panels that can produce much more power than current forms of electricity generation. Solar power would only become more and more efficient and we'd have such an abundance of electricity for powering our dwellings that we could consider powering vehicles. This would require us to make more efficient cars that are lighter and have better batteries, but it's all possible and our dependance on foreign oil and polution would be gone. On top of that we will have tapped into an almost unlimited supply of energy that will never go away (as long as the Sun is out). We would also be energy self-reliant on an individual basis. The energy companies would have no power. We could trade energy amoungst ourselves. All we'd need is an energy broker, but their role would be limited to maintaining the grid and ensuring fair transactions occur between buyer and seller on the individual energy market.

      --
      No Sigs!
    9. Re:key word is catalyst by Anonymous Coward · · Score: 0

      I'm not an expert, but last I checked this is the only thing you actually need to purchase. (besides vats and such, which are one-time costs and not that expensive) The vegetable oil itself is (as most of you are probably aware) freely available behind your local donut-shop or burger-joint.

    10. Re:key word is catalyst by Tracy+Reed · · Score: 5, Insightful

      Biodiesal *IS* solar power. Where do you think the energy present in the plant matter comes from? Not only that but it is probably more efficient on a $/watt basis. I'm all for photovoltaics and stuff but electricity storage for vehicles is still a tricky problem whereas chemical storage of energy has worked great for many decades now.

    11. Re:key word is catalyst by Wyatt+Earp · · Score: 2, Interesting

      No jobs?

      Far from it, the Dakotas, Nebraska, Kansas all have very low unemployment rates and with the low cost of living it's much easier to own a home and live comfortably on the Great Plains than in the "successful" parts of the US.

      South Dakota's rate right now is 4 percent, with urban areas in the Great Plains seeing unemployment rates as low as 1 percent at times.

      I have a friend from High School in Sioux Falls South Dakota making 85K with a 2-year vo-tech degree right now, thats letting him build a 4,000 sq foot house. No income tax, low sales taxes.

      2,500 sq feet in Rapid City/Black Hills can go for as little as 125K.

    12. Re:key word is catalyst by iphayd · · Score: 1

      Of course if you look at many 3rd world countries, growing is itself a problem. Take a look at Malaysia and Indonesia. The palm oil that they produce is in many products at our grocery stores, causing economic growth and development. However, the plantations are replacing rain forest, which the Orangutan and Sumatran Tiger need to survive.

    13. Re:key word is catalyst by say · · Score: 1

      3rd world countries will be able to "grow" a very essential component of fuel.

      What, you mean like Nigeria, Angola, Iraq, Kazakhstan, Yemen, Belarus, Suriname, Nicaragua and Guatemala does today?

      OK, so most poor countries (why do people still call them third world?) haven't got any oil. But most of the rich countries haven't got any either.

      --
      Roses are #FF0000, violets are #0000FF, all my base are belong to you
    14. Re:key word is catalyst by ChrisGilliard · · Score: 0, Flamebait

      Ok, Mr. Technical. If you want to get right down to it, Oil is Solar power as well because it came from the Sun and the Algea absorbed that energy and 'rotted' into Oil. You will probably point out that there are several other theories as to how this happened and that the one I mentioned is the wrong one, so incase you do I've mentioned that I'm aware some people think Oil came from dinosuars, etc.....In any case, if you want to be technical I should have said, photovoltaics instead of 'solar' power. So, congrats. The point is that same. That's the way to go long term.

      --
      No Sigs!
    15. Re:key word is catalyst by syukton · · Score: 4, Informative

      I hate to burst your bubble, but most crop plants achieve only 1 to 2 percent efficiency, with sugarcane being an exception at 8%.
      Source: http://www.life.uiuc.edu/govindjee/whatisit.htm

      Scientific-grade solar cells are about 15% to 20% efficient with some going as high as 24%
      Source: http://www.udel.edu/PR/UDaily/2006/nov/solar110205 .html

      Solar Stirling engines achieve nearly 30% efficiency at an installation at Sandia National Laboratories.
      Source: http://www.sandia.gov/news-center/news-releases/20 04/renew-energy-batt/Stirling.html

      So I'm sorry to say that plants SUCK at converting sunlight into energy we can use. As the first link states, the initial reaction in photosynthesis is nearly 100% efficient, but as biological processes consume that energy, the total efficiency for the system drops significantly. Work is being done to attempt to make "biological solar cells" which use the initial reaction in photosynthesis as their method of light harvesting, but to date nothing has been produced.

      Electricity storage for vehicles is a bit of a problem, unfortunately. I haven't got any links declaring that one solved. ;)

      --
      Reinvent the wheel only at either a lower cost, greater effectiveness, or your own personal enrichment and satisfaction.
    16. Re:key word is catalyst by Tracy+Reed · · Score: 2, Insightful

      You make a good point. I believe the efficiency of biodiesel is measured at the engine. The efficiency of photovoltaic is usually measured at the leads coming off the panel. After the losses incurred from transferring the electricity from the photovoltaic panel to a storage facility, putting it into a battery, and then transferring it from a battery to an electric motor what sort of efficiency do you get?

    17. Re:key word is catalyst by johnMG · · Score: 1

      Chris, you're getting a little far afield of the point here. The point is *renewable* energy -- and oil's not renewable on human time scales.

      Photovoltaics cost much money (and also have heavy environmental costs). Biodiesel is the sort of stuff you can make in your backyard in old bathtubs, if you really want to get into it.

      The poster you replied to is correct. Biodiesel *is* solar. It's a *great* way to store solar energy, and biodiesel is easy to transport too (in a "gastank" in your vehicle, for example :).

      It's renewable, since the plants that you grew to make the biodiesel spent their growing time converting CO_2 to to O_2. When you burn the biodiesel, you're simply going back the other direction.

      Oil companies will resist biodiesel the way MS resists the GPL. Just watch. :)

    18. Re:key word is catalyst by johnMG · · Score: 1

      > So I'm sorry to say that plants SUCK at converting sunlight into energy we can use.

      The nice thing is though, while they're "sucking" at their job, they're also happily pulling CO_2 out of the atmosphere -- no extra charge! :)

    19. Re:key word is catalyst by modmans2ndcoming · · Score: 1

      dude, B100 is 70 cents a gallon here... the problem is getting it.

    20. Re:key word is catalyst by Anonymous Coward · · Score: 0

      I don't beleve cost of production vs. energy yeild is a big issue. Energy proguction is cheap ie Atomic Energy, Storage and distribution is the "expensive" key. This breakthrough is nothing more than a footnote if there are no universial powerplants to use it. All the really good designs are patented by the big oil monopolies. So produce all the cheap fuel you want, nobody will buy it to spaek, of until real independent republics embrace a true free market.

    21. Re:key word is catalyst by Burz · · Score: 1

      Ok, Mr. Technical. If you want to get right down to it, Oil is Solar power...

      Not on any timescale that is meaningful to human industry. "Oil" or petroleum is as much a product of geology and geothermal effects as anything else... it is absorbed into the Earth's crust, transformed by pressure and heat, and spewed back out by volcanoes as CO2 and noxious fumes. So it is not merely solar power because there is a whole lot more baggage that goes with it: We are transferring the natural carbon sink in the Earth's crust to the atmosphere faster than photosynthesis and geology can replace it... not using "solar power".

      OTOH photovoltaics and biodiesel are both ways of collecting and using solar energy with associated lifecycles of months and years. Their modes of initial production and end-consumption are engineered so as to minimize negative side-effects and deliver energy from the sun in as direct a manner as possible.

    22. Re:key word is catalyst by syukton · · Score: 1

      I'm not certain, but electrical systems are vastly more efficient than chemical systems. Electrical power transmission is > 80% efficient, batteries are > 80% efficient (Lead acid are less than this but NiMH and NiCd are > 90%), and electric motors are > 80% when in their peak operating range. 0.8*0.8*0.8=0.512 or 51.2% efficiency.

      Diesel engines top out at maybe 40% efficiency, and we've already discussed the other efficiency factors. So if we're looking at, say, 5% light->hydrocarbon fuel and 40% fuel->motive force in a diesel engine, that would be 0.05*0.40=0.020 or 2% efficiency.

      Not to mention that you need to cart around those hydrocarbons in a vehicle, generally, whereas electricity can be transported at significantly less cost (both in terms of efficiency and in terms of dollars).

      --
      Reinvent the wheel only at either a lower cost, greater effectiveness, or your own personal enrichment and satisfaction.
    23. Re:key word is catalyst by JonBuck · · Score: 1

      Another point of fact:

      According to Dr. Michael Briggs, who headed the UNH Biodiesel Program, about 85% of the cost of biodiesel is the feedstock (soybeans, canola, etc.). Briggs is a frequent poster at:

      http://www.biodieselnow.com/

      Until we get the cost of the feedstock down low, biodiesel will only be competetive with petrodiesel with the help of subsidies. Algae has the potential to do this, as has been noted elsewhere.

    24. Re:key word is catalyst by Burz · · Score: 1

      PV systems suck at storing and moving energy at high concentrations. Hence, biofuels contribute far more solar energy to transportation than does PV.

      I think alternative crops (like sugarcane or microalgae) can even out-compete PV in terms of energy contribution over the entire lifecycle.

    25. Re:key word is catalyst by syukton · · Score: 1

      Yeah, and then we burn it and put the carbon dioxide back into the air...at no extra charge!

      --
      Reinvent the wheel only at either a lower cost, greater effectiveness, or your own personal enrichment and satisfaction.
    26. Re:key word is catalyst by chronicon · · Score: 3, Insightful
      Oil companies will resist biodiesel the way MS resists the GPL. Just watch. :)

      Interestingly enough, there is some indication that the oil companies actually share our concerns over energy needs more than we think. It may not entirely be about money to them, they want to stay in business don't they? For instance from Chervon:

      Energy will be one of the defining issues of this century. One thing is clear: the era of easy oil is over. What we do next will determine how well we meet the energy needs of the entire world in this century and beyond...

      The cynic would probably think that this is just a scam or excuse to raise oil prices and increase profitability. I think that is shortsighted. The ramifications are too great to ignore, even the greediest among us would not like to face the economic and societal ramifications that would follow sustained oil shortages. What good is money if you can't spend it?

      On second thought, maybe I should hope that is exactly what they are trying to pull! It beats the bleak outlook sustained shortages would lead to any day...

    27. Re:key word is catalyst by shawb · · Score: 1

      Thankfully we have giant companies like Monsanto to back biodiesel. I imagine there would be less of a concern over genetically engineered crops if they are destined for a gas tank than if they are destined for the dinner table. There are still environmental concerns but they would be partially allayed by the potential reduction in dependance on petroleum. I imagine that some crops could be genetically engineered to output large amounts of oil with minimal fertilizer application, as low nitrate and phosphate content in the end product would be MORE desirable, rather than less desirable as it is in foodcrops. You basically want as pure hydrocarbon as you can, the extra nitrogen and phosphorous bearing compounds (primarilly proteins and ATP/ADP) would have to be refined out somewhat. Other chemicals which are supplemented in the soil would not be desirable in the final product, although they will be necessary for the support structures and biological machinery that actually produces the oils and carbohydrates which we turn into fuel.

      --
      I'll never make that mistake again, reading the experts' opinions. - Feynman
    28. Re:key word is catalyst by zCyl · · Score: 1

      I still think we ought to focus on Solar power in particular for third world nations. Solar is the real solution to the future energy production issues. I've found quotes for Solar power setups (including batteries for storage) for "large" houses that cost about $25,000. ... This is why it's popoular in places like Africa

      Many of the countries in Africa have a GDP per capita of around $1600 or so. If you consider how much of their GDP per capita that $25,000 amounts to, it's the equivalent of a typical American spending around $625,000 on solar power.

      That certainly doesn't sound like a viable solution.

    29. Re:key word is catalyst by ChrisGilliard · · Score: 1

      OTOH photovoltaics and biodiesel are both ways of collecting and using solar energy

      Hydrogen is a better storage mechanism than vegetable oil.

      Photovoltaics cost much money (and also have heavy environmental costs)

      My main point from my original post is that it's currently not economically feasable, but it's getting VERY close.
      The only environmental costs of photovoltaics are in their production. After that they are a-ok. Their production costs energy. It's true that if we generate that energy from something that is dirty we have an environmental impact, but if we use solar energy that we've already brought online, we don't have any issues. This is what we should do. What it comes down to is: Do you think we can produce energy more efficiently using biological processes (biodisel)? Or can we produce energy more efficiently using purely mechanical processes (photovoltaics - with hydrogen storage mechanism). I bet one photovoltaics/hydrogen long term

      --
      No Sigs!
    30. Re:key word is catalyst by tigerflag · · Score: 1

      "The energy companies would have no power."

      This is why it will never happen. Great thoughts, though.

    31. Re:key word is catalyst by brontus3927 · · Score: 4, Informative
      In the 2 stage reaction, which is the only time an acid is used as a catalyst for biodiesel, the ingredients are as follows per liter of vegetable oil:

      200 ml methanol. I'm currently paying $2.50/gallon for methanol. Which puts my cost per gallon of biodiesel at about $.50

      1 ml Sulfuric Acid. I'm currently getting this for a little over $1/oz Technically that's expensive, but so little is needed that it works out to only $.15/gallon biodD.

      31-37g Sodium Hydroxide (depending on pH of oil) Lye is what's expensive. Hopefully, this is the catalyst the Nature article is replacing. Every so often a good price on lye will show up, but it is usually between $.20-$1/gallon biodiesel. If this article talks about replacing the lye, I'll definately try it.

    32. Re:key word is catalyst by Anonymous Coward · · Score: 0

      I've read both sides of the story relating to oil companies and their quest for alternative fuels. I just do not believe they are really making any real effort despite what programs they claim to be dabbling in. One of the biggest things that I think they are really not interested is because very few companies look that far ahead. It is all about stock price next quarter, not in five years. The US federal government makes policies the same way but at least that system operates on a four year plan instead of quarterly. There seems to be too many high profile corporations (oil/car companies being the largest) supporting our current oil usage system for anything to change. Look at the FUD from both sides that surrounded the first electric cars from Ford (Ranger pickup) and GM (the EV1 program) in the last 10 years. Hybrids seem to be catching on but in reality, you could buy regular gas burning cars that get almost the same mileage 10-15 years ago. Less emmisions now, but as far as fuel consumption goes, they are far from a break through and being developed because they are not a disruption to the good ole boy system in place now.

    33. Re:key word is catalyst by forlornhope · · Score: 1

      I think your missing something else. As a rule, B20 can be used in unmodified diesel engines today. Looking at the number of diesel engines in the world today, thats a big deal. Additionally, higher concentraitions of Biodiesel can be used in engines with simple coatings for their injectors. This means to produce new engines, there would be little to no retooling of existing production facilities.

      That means that biodiesel does not incur the massive costs of outfiting the world with batteries, electric motors, and solar cells. So if you include those retooling costs and the costs of the material needed to make all that. The efficiency of solar power goes down sharply if you include those facts.

      As for the efficiency of diesel engines, its true that they are not really efficient, but if you take those electric motors and add in ultra capacitors and use them to do dynamic breaking and energy recovery(or for that matter use hydrolics to store that energy in larger vehicles). This makes the over all vehicle more efficient. So new vehicles use that plus pure biodiesel, and you have a much greener vehicle that doesn't create as big a problem for production.

      So yeah, I think this is a pretty big deal. Combine that with the fact that some of the by-products of biodiesel production are other useful chemicals, biodiesel may be the best hope we(The US where I live) have for relieving relience on foriegn oil. This is also a great thing for the environment as this is a renewable and I'm willing to bet that these crops take in much more CO2 than is expelled by burning the biodiesel that they produce.

      As a disclaimer, I'm a Mechanical Engineer working in the area of biodiesel and energy recovery through dynamic breaking.

      --
      "We Don't Need No Truthless Heros!" - Project 86
    34. Re:key word is catalyst by hobbit · · Score: 1

      Don't forget about this.

      --
      "Wise men talk because they have something to say; fools, because they have to say something" - Plato
    35. Re:key word is catalyst by mOdQuArK! · · Score: 1
      Yellow mustard and rapeseed don't need to be grown in the tropics.

      I suppose as long as the "War on Drugs" is politically useful, it will be impossible to grow one of the more useful biodiesel-sources: hemp.

    36. Re:key word is catalyst by forlornhope · · Score: 1

      Hydrogen is a better storage mechanism than vegetable oil.

      Wrong, the volumetric energy density of hydrogen is far lower than that of biodiesel. That makes biodiesel a far better storage mechanism.

      Get hydrogen's energy density(volumetric) to the same order of magnatude, and then youll be right. Until then, it can't be concidered to be a viable energy transport mechanism for vehicles.

      One other thing that has been bothering me about hydrogen as a fuel is the fact that it produces water. Isn't water vapor a much greater green house gas than CO2? Does that mean that wide scale use of it would create a greater green house effect?

      --
      "We Don't Need No Truthless Heros!" - Project 86
    37. Re:key word is catalyst by OpenGLFan · · Score: 1

      While not necessarily your first image of a plant, algae do a much better job. They're mostly oil, and they don't muck about with growing pretty flowers or trying to grow to compete for sunlight.

      There's a good link from UNH:
      http://www.unh.edu/p2/biodiesel/article_alge.html

    38. Re:key word is catalyst by ShanghaiBill · · Score: 1
      It should also give the third world a new market for their agricultural products; while we may make it a pain for people to sell us food, it's easy as pie to sell fuel over the border.

      Wrong. The USA places huge tarrifs on biofuels. Brazil can produce ethanol from sugarcane for a fraction of the price that American farmers can make it from corn. So we slap on a prohibitive tarrif to keep it out of the country. Why would you expect fuel from soybeans to be treated differently than fuel from corn? Special interests can almost always prevail over common sense. Don't expect anything to change as long as the presidential primaries start in Iowa.

    39. Re:key word is catalyst by mr.mighty · · Score: 1

      It's a lot cheaper to plant acres of plants than to build acres of solar panels, though. Biodiesel is also able to take advantage of the existing infrastructure to get fuel into vehicles. To some extent, that's also true of solar power, but there is also a much larger set of vehicles that could take advantage of biodiesel.

      I suspect that biodiesel will be part of the transition to more renewable resources (including solar) in the long term.

      I could also see biodiesel being used in places where batteries aren't suitable. Planes, for instance.

    40. Re:key word is catalyst by Ex-MislTech · · Score: 1

      New Aluminum Cell batteries by Europositron should take care of the battery issue
      to some degree, they are far and away many times better than what we use now .

      http://www.europositron.com/en/techniques.html

      Using Hybrid Tech and maybe Diesel engines like the prototype VW made could help our
      car situation world wide .

      http://www.canadiandriver.com/articles/gw/vw1litre .htm

      282 miles per gallon for a non hybrid is pretty amazing even if it is a small car
      made with expensive parts .

      Very posssible to make one twice as big with parts that weigh , 50% more , and still
      hit gas mileage near 100 mpg w/o it being a hybrid . As a hybrid prolly over 100 mpg .

      Bio-disel from algae would solve the fuel issue , and burns cleaner .

              * Soybean: 40 to 50 US gal/acre (40 to 50 m/km)
              * Rapeseed: 110 to 145 US gal/acre (100 to 140 m/km)
              * Mustard: 140 US gal/acre (130 m/km)
              * Jatropha: 175 US gal/acre (160 m/km)
              * Palm oil: 650 US gal/acre (610 m/km) [2]
              * Algae: 10,000 to 20,000 US gal/acre (10,000 to 20,000 m/km)

      As you can see the Algae outperforms by a massive amount .

      Ref : http://en.wikipedia.org/wiki/Biodiesel

      Diesel Electric Hybrid running on algae based bio-diesel could solve a lot of problems .

      Ex-MislTech

      --
      google "32 trillion offshore needs IRS attention"
    41. Re:key word is catalyst by Davorama · · Score: 1

      http://wiki.ehow.com/Make-Lye

      I saw this before I took the how-to of the day off my google page. I've no clue if it works or would be cheaper and produce enough for you. Good luck.

      --

      Davo -- Free speech, free software, AND free beer.

    42. Re:key word is catalyst by Anonymous Coward · · Score: 1, Informative

      Pimentel is a crackpot, it's been proven as such by Shapouri of the USDA. Pimentel uses the same old tired data time after time, which is extremely outdated. He uses extreme methods to calculate energy balance, the same could be said about the energy balance of petroleum itself. What a wanker.

      Besides, Pimentel is a Entomologist (or an Entymologist depending on which misinformed people you listen to), not an economist or energy expert. His research partner, Patzek, has been linked to oil industry interests (Patzek was employed by Shell Oil), so right there, the Pimentel/Patzek energy balance "studies" have an unfavorable conflict of interest. Pimentel is not the uninvolved third party that he would like you to believe.

      NREL and USDA have throughly discredited these wackos.

    43. Re:key word is catalyst by johnjohn23 · · Score: 1

      Excellent point. The DOE says the feedstock is the "largest single component of biodiesel productions costs." [page 4] Thought experiement: If you got 100% volume yields at zero cost when converting veg. oil to biodiesel, how much veg oil do you have to buy to get a cheaper per-gallon price than what dino-diesel costs at the pump?

    44. Re:key word is catalyst by Hektor_Troy · · Score: 1
      Electricity storage for vehicles is a bit of a problem, unfortunately. I haven't got any links declaring that one solved. ;)
      Flywheels would be an efficient sollution. Once produced they have no biohazardous materials to worry about.

      Article from May 2000: Wired Magazine
      Back in the main section of the building, past a clean room where flywheels are assembled, Bitterly pauses by a workbench and shows me some component parts. The motor-generator is small enough to fit inside a coffee mug, yet he says it can put out 20 horsepower at 600 volts. "We can overload it to 50 horsepower for a minute," he says, weighing it in the palm of his hand. "Imagine four of these in a standard car. It would scream the tires off."
      Sadly I can't seem to find any recent mentions of US Flywheel. Sounded like an interesting sollution.
      --
      We do not live in the 21st century. We live in the 20 second century.
    45. Re:key word is catalyst by KDR_11k · · Score: 1

      The air can hold only a certain amount of water vapour before it condenses. Since there are already huge amounts of water in the atmosphere I wouldn't be too worried about that. After all, when there's too much water in the atmosphere it tends to fall back to the ground.

      --
      Justice is the sheep getting arrested while an impartial judge declares the vote void.
    46. Re:key word is catalyst by caridon20 · · Score: 1

      LEarn to do reasearch on your sources. Pimtell is known for using incorrect and outdatad sources when doing calculations. His "reasearch" is repetedly invalidated.
      (he uses conversionsnumbers from the 70ties no wonder he cant get it right) /C

      --
      You dont have to be an analretentive nitpicker to be a tester.... But it helps :)
    47. Re:key word is catalyst by Anonymous Coward · · Score: 0

      "I hate to burst your bubble, but most crop plants achieve only 1 to 2 percent efficiency, with sugarcane being an exception at 8%."

      While this might be accurate, one should not forget that plants have this nice tendency of taking CO2 out of the atmosphere and giving out O2. Considering the rising levels of carbon dioxide today, that certainly wouldn't be a bad bonus. An optimal situation would be that the plant would convert as much CO2 into O2 as is released in burning it. Balance, balance... always a good thing.

      Also, you brought up the issue about energy storage, which needs resolving if you only have stirling generators and the like generating electricity. Biodiesel is a medium for energy same as any gasoline or mineral diesel so the problem about the transfer of energy would never come up.

    48. Re:key word is catalyst by ajs318 · · Score: 1

      NO, because hydrocarbons contain hydrogen as well as carbon -- so when you burn something that has a formula of approximately CH2, you get CO2 and H2O, but when you burn H2, you get just H2O. The trouble is that the C-H bond stores more energy than the H-H bond, so you need to react more molecules of H2 with O2 for the same amount of energy output than you would CH2 with O2.

      But, manufacturing hydrogen uses water anyway -- it takes one molecule of H2O to make one molecule of H2 {and you get half a molecule of O2 as a byproduct}. If there is more water vapour in the atmosphere, it will rain more; but all that water, when it comes down, can be used up in the manufacture of hydrogen.

      --
      Je fume. Tu fumes. Nous fûmes!
    49. Re:key word is catalyst by ajs318 · · Score: 1

      Yes, but you are putting back exactly the same amount you take out. So it all balances neatly.

      --
      Je fume. Tu fumes. Nous fûmes!
    50. Re:key word is catalyst by joib · · Score: 1

      Unfortunately, europositron is a scam.

    51. Re:key word is catalyst by de_valentin · · Score: 1

      Indeed in this story it is all about the catalyst, but a few months ago there was a story in a dutch newspaper and it was about a man who drove on sunflower oil instead of diesel. He claimed that his car got a better mileage and more power allthough there was no scientific test done In holland diesel costs aproximately 1,30 euro/l and sunflower oil costs 0,30 euro/l. This man didn't use any catalyst. There is a catch though newer diesel engines need better burning oil than vegetable oil, so if you mix it will be allright, absolutely no harm to your engine. I don't know american diesel prices but for most europeans vegetable oil will be cheaper as long as there are no taxes.

      --
      It's no big deal some of my best friends are M$ certified engineers
    52. Re:key word is catalyst by dattaway · · Score: 1

      A motor that can fit inside a coffee mug that can put out 20 horsepower.

      You know, I've beent trying to wind a motor that can put out that kind of power. What happens when you start getting over a few horsepower in that size is the copper windings fly apart from heat and magnetism. That kind of power is going to require a large shaft at high rpms. Good luck coupling the shaft to the energy producing part. It sounds a magnitude too good to be true.

      Sounds more exciting than perpetual motion machines.

    53. Re:key word is catalyst by noerobert · · Score: 0

      Gas *IS* solar power. Where do you think the energy in the plant matter comes from?

    54. Re:key word is catalyst by Anonymous Coward · · Score: 0

      "It should also give the third world a new market for their agricultural products; while we may make it a pain for people to sell us food, it's easy as pie to sell fuel over the border."

      That is not something everybody would agree with. It may cost more than a litre of biodiesel to produce a litre of biodiesel, and then transport it from the third world to the first world.

      I do not know whether that is true; Google Pimentel biodiesel efficiency for pointers to this discussion.

    55. Re:key word is catalyst by syukton · · Score: 1

      So the plants take the CO2 out, then we turn the plants into fuel and put the CO2 back when we burn them, which gets us back to the same CO2 levels as we started with.

      How does that make sense as a "bonus." ?

      --
      Reinvent the wheel only at either a lower cost, greater effectiveness, or your own personal enrichment and satisfaction.
    56. Re:key word is catalyst by syukton · · Score: 1

      I don't know about you, but the idea of "balancing" the CO2 cycle right now, with temperatures as high as they are, doesn't seem like that much of an upside to me. We need to reduce (or stop) the reintroducing of CO2 into the atmosphere in order for me to consider it a bonus.

      --
      Reinvent the wheel only at either a lower cost, greater effectiveness, or your own personal enrichment and satisfaction.
    57. Re:key word is catalyst by instarx · · Score: 1

      Biodiesal *IS* solar power. Where do you think the energy present in the plant matter comes from?

      Really? But doesn't that mean that petroleum diesel and gasoline are then also solar power? Where do you think the energy came to grow the prehistoric plants that were converted to petroleum?

      You might as well just say that our cars are nuclear powered because after all the Sun is driven by nuclear reactions. Hmmm, wait one... we use big-bang powered cars, that's it!

    58. Re:key word is catalyst by syukton · · Score: 1

      If you don't mind some OT questions, how do you wind your coils?
      Also, how are the magnets aligned with respect to the coils?

      I was going to attempt to explain the reason behind these questions, but it's hard to do without illustration, so I think I'll let you answer first. ;)

      --
      Reinvent the wheel only at either a lower cost, greater effectiveness, or your own personal enrichment and satisfaction.
    59. Re:key word is catalyst by ajs318 · · Score: 1

      Well, actually some of the plant matter decays underground and turns into new fossil fuels, thus locking away some carbon -- but this process is very, very, very slow.

      But we need to cut the rate of CO2 production right now, even if we can't reverse it straight away. The longer we leave it in the hope of finding some magical cure-all, the harder it is going to be to clear up the mess even if and when we do find it. In the meantime, if we all specify gas boilers with electronic ignition {no wasteful pilot lights; especially not the Glow-Worm Swiftflow range, which need the fan running on half speed all the time just to keep the pilot alight} and energy-saving light bulbs wherever feasible {i.e. not used to illuminate moving machinery and not on dimmer switches}, and reduce or eliminate unnecessary car journeys, that will go some way towards offsetting the worst effects.

      To say that something is not good enough because it's not absolutely perfect is as foolish as to say that something is perfect when it is only barely good enough. We need an interim solution right now, and we need to recognise it as such.

      --
      Je fume. Tu fumes. Nous fûmes!
    60. Re:key word is catalyst by Anonymous Coward · · Score: 0
      From the article the dude would be 85 now, but more to the point the guy seems a little loose with the facts. FTA:
      In 1975, the first incarnation of Bitterly's dream, US Flywheels, was born.

      After two or three years, through an intermediary named Bill Lear, Bitterly obtained Department of Energy money to develop a flywheel-powered commuter car. Lear, however, lost interest and developed the Learjet instead.


      Hmmm. Okay, he claims that the inspiration for US Flywheels came from a 1973 SI article. The Lear 23 first flew in 1963, having been developed in the late '50s in Switzerland. Perhaps even more problematic is that Bill Lear died in May 1978. If the reporter can't be troubled to check these simple facts perhaps we shouldn't trust anything else in the article.
    61. Re:key word is catalyst by llefler · · Score: 1

      I don't know american diesel prices but for most europeans vegetable oil will be cheaper as long as there are no taxes.

      And there is the big catch, taxes. Fuels are heavily taxed. One document I read stated that in the US, diesel is taxed at roughly 50 cents a gallon (~25% in the midwest). Vegetable oil, OTOH, is taxed through normal sales tax which would be in the 7-8% range. And for comparision, it stated that European diesel taxes were; UK $4+/gal, Germany $3/gal, France $2.80/gal. (US dollars and gallons, retail price for diesel locally is currently $2.25-2.30 a gallon) I think that regardless of the source of the fuel, you're going to find that the taxes are going to be included.

      --
      It is amazing what you can accomplish if you do not care who gets the credit. -- Harry Truman
    62. Re:key word is catalyst by Krid(O'Caign) · · Score: 1

      Simple. The CO2 would have been released into the environment anyway when the source plant decayed, but oil that's been stuck in a rock for a million years probably won't be releasing it's CO2 anytime soon without our help. It's called "Net Zero Emission", which means that the difference in CO2 resulting from the source does not increase due to our using it as an energy source. In addition, increasing high-yield plant growth results in a direct increase in CO2 removed from the atmosphere.

    63. Re:key word is catalyst by Forbman · · Score: 1

      Hmm... but plants are an excellent passive storage mechanism for solar energy, whether its converted later to biodiesel or simply burned in a cogeneration plant later at one's convenience, instead of at the sun's and atmosphere's conditions.

      Which is what will be a kicker in the gonads for big photovoltaic installations as primary, vs secondary, energy.

      Having an aluminum smelter running next to a PV powerplant will not work. The plant needs to run 24hrs a day, but the PV array will make electricity 10-14 hrs a day, and building a storage facility to provide megawatts of power to the smelter pots would be...prohibitive, unless you invest in lead or cadmium futures.

    64. Re:key word is catalyst by Krid(O'Caign) · · Score: 2, Informative

      Coating the injectors? No.

      First: Earlier engines (mostly those produced before 1992) used rubber for seals, and would need to have said seals replaced with non-rubber ones as biodiesel is very corrosive when it comes to rubber products. This is really the only modification that needs to be done, aside from possibly adding a fuel-line heater for cold climates.

      Second: Diesel engines aren't significantly less efficient than gas engines, and that small difference is more a fault of the technology not having the focus that gasoline engines have had than a problem with the concept itself. Diesel engines don't use spark plugs (In fact, they can be made with no electrical components at all), thus reducing the draw on the electrical system - a system which, I should point out, is not exactly the most efficient system in the vehicle. Counterbalancing all of this is the fact that diesel fuel has a far greater energy density than gasoline, which results in a net gain in miles-per-gallon over gasoline technology.

      Third: Regenerative breaking is great, but the only part that really needs the power is the fuel injection system, and even then not so much. UNLESS you're building a hybrid, which is a vastly different animal.

      For a primer:
      http://en.wikipedia.org/wiki/Biodiesel
      http://en.wikipedia.org/wiki/Diesel_engine

    65. Re:key word is catalyst by syukton · · Score: 1

      Flywheels are great energy storage mechanisms for pulsed power applications, such as aluminum extraction.

      --
      Reinvent the wheel only at either a lower cost, greater effectiveness, or your own personal enrichment and satisfaction.
    66. Re:key word is catalyst by Anonymous Coward · · Score: 0

      Actually, nuclear is Solar power too. Just not from our Sun, and on an even longer time scale than oil. Every atom above iron in the periodic table was built up in a supernova explosion somewhere, and nuclear fission just gets back some of the stored energy by running heavy atoms back down nearer to iron.

    67. Re:key word is catalyst by Anonymous Coward · · Score: 0

      Not in the UK. Every few weeks in the supermarket, when I'm by the vegetable oils section, I look at the price per litre and start speculating fruitlessly about how to put them in my engine. While the UK government mouths platitudes about renewable resources, it taxes biodiesel up to the same price as ordinary diesel. Result: demand is near zero due to the pointlessness of searching it out for no cash advantage. And if I did process supermarket oil into home-made diesel, I'd be prosecuted for not paying the fuel tax on it. People have done this, and that's what happened. The govt spouts off about Kyoto, but won't ever let that get in the way of squeezing out more taxes.

    68. Re:key word is catalyst by Anonymous Coward · · Score: 0

      No jobs and money? That's not because farmers lack markets, it's because farms in the U.S. are consolidated into a fairly small number of large businesses, without a lot of employees because they rely on mechanization and chemicals instead of people.

    69. Re:key word is catalyst by Firethorn · · Score: 1

      There's no direct coupling. It more or less exactly like a battery. You can put electricity in, and can get electricity out.

      The motor is purely internal and not coupled to any driveshafts. The whole system is built around the flywheel.

      Oh and those flywheels are rotating at some insane velocities. They're made from carbon fiber because nothing else approaches the strength necessary.

      --
      I don't read AC A human right
    70. Re:key word is catalyst by bluGill · · Score: 1

      True, but mostly because all the kids leave the Plains States when they grow up. A few take over the family farm (and thus have jobs), while those without jobs are smart enough leave the small town they grew up in for someplace where there are more opportunities.

      Many (not all..) of the Plains states have great education, if any was a separate country, they would score with the top 5 countries in education (depending of course no how the test is given). Their kids are too smart to stick around someplace where there is no chance of getting a job.

    71. Re:key word is catalyst by tzanger · · Score: 1

      You're a little off on your AC motor efficiencies. I don't think there's a motor manufactured today that is under 96% efficient when running at load and at speed. Throw a VFD in front of it and yeah now you're making it less efficient, but that 80% efficiency figure is for older motors. It is in fact the high efficiencies that make across-the-line starting so damn nasty (8-12x FLA for the first half cycle, and typically 6-7x FLA for locked-rotor conditions, depending on the NEMA design class).

    72. Re:key word is catalyst by infiniphonic · · Score: 1

      I think what they are saying is that this process is one of the most expensive in the making of biodiesel.I have limited knowledge about this subject however,I know that they make a diesel engine for my truck that is more powerful than my gas version and gets twice the mileage.I welcome any advances that would get us closer to mainstreaming this technology.

      --
      Crisis is the rule, not the exception.
    73. Re:key word is catalyst by mpe · · Score: 1

      Biodiesal *IS* solar power. Where do you think the energy present in the plant matter comes from? Not only that but it is probably more efficient on a $/watt basis. I'm all for photovoltaics

      Plants win out over photovoltaic cells in terms of not requiring any form of high tech infrastructure. Especially if you want a photovoltaic array which automatically tracks the sun.

    74. Re:key word is catalyst by mpe · · Score: 1

      That means that biodiesel does not incur the massive costs of outfiting the world with batteries, electric motors, and solar cells. So if you include those retooling costs and the costs of the material needed to make all that. The efficiency of solar power goes down sharply if you include those facts.

      You need to also factor in scrapping perfectly good diesel engines in quite a few cases entire vehicles (since there is no way the new stuff can be retrofitted). It wouldn't be cheap for a bus company to replace their entire fleet.

    75. Re:key word is catalyst by mpe · · Score: 1

      Hydrogen is a better storage mechanism than vegetable oil.

      Howcome? You can keep and transport vegetable oil using a bucket. With hydrogen you need rather more elaborate systems.

    76. Re:key word is catalyst by mpe · · Score: 1

      Diesel engines aren't significantly less efficient than gas engines, and that small difference is more a fault of the technology not having the focus that gasoline engines have had than a problem with the concept itself.

      IIRC diesel engines are potentially more efficent.

      Diesel engines don't use spark plugs (In fact, they can be made with no electrical components at all)

      This can make diesel engines well suited to being a standby source of power no electrical ignition system to fail just when it is needed.

      Regenerative breaking is great, but the only part that really needs the power is the fuel injection system, and even then not so much. UNLESS you're building a hybrid, which is a vastly different animal.

      Or a diesel-electric locomotive...

    77. Re:key word is catalyst by mpe · · Score: 1

      Get hydrogen's energy density(volumetric) to the same order of magnatude, and then youll be right. Until then, it can't be concidered to be a viable energy transport mechanism for vehicles.

      Even if you can there is still the issue of compressed gas vs liquid. The latter is simply easier to handle and store within the vehicle. The energy density of the compressed gas probably needs to be even higher, to compensate for the phase change as it leaves the tank.

    78. Re:key word is catalyst by mpe · · Score: 1

      Biodiesel is the sort of stuff you can make in your backyard in old bathtubs, if you really want to get into it.

      Which you can't do when it comes to fractional distilation of crude oil. There are also plenty of places in the world where this kind of level of production would be fairly unremarkable.

    79. Re:key word is catalyst by mpe · · Score: 1

      In the 2 stage reaction, which is the only time an acid is used as a catalyst for biodiesel, the ingredients are as follows per liter of vegetable oil:
      200 ml methanol. I'm currently paying $2.50/gallon for methanol. Which puts my cost per gallon of biodiesel at about $.50
      1 ml Sulfuric Acid. I'm currently getting this for a little over $1/oz Technically that's expensive, but so little is needed that it works out to only $.15/gallon biodD.
      31-37g Sodium Hydroxide (depending on pH of oil) Lye is what's expensive. Hopefully, this is the catalyst the Nature article is replacing. Every so often a good price on lye will show up, but it is usually between $.20-$1/gallon biodiesel. If this article talks about replacing the lye, I'll definately try it.


      I can't see what you could replace it with other than the hydroxide of another alkali metal.
      What appears to be going on here is that the hydroxide reacts with the original ester to form a salt of the carboxylic acid (a reaction called saponification) plus the alcohol component (complicated by this alcohol having 3 OH groups and thus able to form exters with 1, 2 or 3 acids). So far you'd actually be making soap :). The "clever" bit comes with the carboxylic salt being reacted with a mono alcohol to form a new ester, in the process regenerating the hydroxide.

    80. Re:key word is catalyst by drinkypoo · · Score: 1

      This whole thing is missing something pretty major: While biodiesel does have more energy than the oil you make it from, diesels can run just fine on good old vegetable oil. In fact, with a little conversion work, you can even make them start up on oil. All you need is an electric fuel heater and some hotter glow plugs. Anyway there's less energy involved in making vegetable oil, so I suspect it comes out fine. Diesel first ran [well, demoed] his engine on peanut oil, you know...

      --
      "You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
    81. Re:key word is catalyst by Krid(O'Caign) · · Score: 1

      Diesel engines don't use spark plugs (In fact, they can be made with no electrical components at all)

      This can make diesel engines well suited to being a standby source of power no electrical ignition system to fail just when it is needed.

      I suppose, but the downside is that it takes a lot more torque to get the engine started. There are ways around this problem, but that's the reason why gas engines are the de-facto standard - in the days when you started your car with a handcrank, more torque was a lethal drawback.

    82. Re:key word is catalyst by buck_wild · · Score: 1

      "It's a lot cheaper to plant acres of plants than to build acres of solar panels, though."

      What about the cost of the plants, such as fertilization, water, harvest, etc. in comparison to the cost of solar panels?

      --
      If all you have is a hammer, everything looks like a nail.
    83. Re:key word is catalyst by brontus3927 · · Score: 1

      Actually, saponification is what you try to avoid. Every molecule of soap in your fuel take a molecule of oil with it when you wash it out. In the first stage, the sulfuric acid is mixed with 40% of the methanol to esterfy the free fatty acids. In the second stage, the hydroxide is mixed with the remaining methanol to form methoxide. What your saying may still be what's going on, I haven't studied the chemistry of the reaction to hard, I just read several different guides on the internet and talked to some people who make their own. On the topic of methanol, ethanol can be used instead, but the ethanol reaction is VERY water sensitive, so you wind up spending quite a bit of money insuring that your ethanol and your oil is dry. Other hydroxides can be used, but you need more of a weeker catalyst. Some people used potassium hydroxide instead, but you wind up needing 150% as much, and any cost savings get negated. However, when using KOH, you can use the glycerine byproduct as fertilizer.

  3. Lye = expensive? by drkfce · · Score: 4, Insightful

    Even though it is a good idea to reduce costs whenever possible, but from what I have seen, even when using lye (which is basic, not acidic), it is about 70 cents cheaper than regular fuel. Biodiesel = Used vegtable oil + lye + methanol + mixture motor, containers and filters.

  4. Biodiesel more at the pump? by Darlantan · · Score: 5, Interesting

    Err, this seems backwards to me. Everytime I've seen bio available, it's been below standard diesel prices. Perhaps it's just a regional thing where I'm at, but I've been under the impression that the real problem with biodiesel was A) older fuel lines may be degraded more quickly by biodiesel, and B) producing enough to fuel the world's fuel needs was a big issue.

    Of course, I'm no biodiesel guru, but it is of some interest to me -- I drive an older diesel (which I plan on converting to run on SVO, as soon as I get the facilities to make this feasible.)

    --
    Fill in your four or five-letter word of wisdom here _ _ _ _ _.
    1. Re:Biodiesel more at the pump? by Belseth · · Score: 1, Informative

      As I rememeber it's vegitable oil that doesn't burn as cleanly in older diesels. Biodiesel is fine in any diesel engine. There's a lot of confusion over what the defination of biodiesel is. Technically biodiesel is a blend of tradtional diesel and vegitable oil that burns cleaner than diesel by itself and if you have a free or cheap source of vegitable oil, used generally, it can be cheaper. Most real fanatics run the car briefly on biodiesel when they start the car then once it's warm they switch over to pure vegitable oil. The reason being when the engine is cold pure vegitable oil doesn't burn cleanly and will build up deposits fast. Starting the car with biodiesel then switching avoids this problem and produces very little polution at the start up, none of coarse once you switch to vegitable oil. Older diesels don't burn pure vegitable oil thoroughly so the engine would need regular service. Newer cars don't have this problem and can run indefinately on vegitable oil. Vegitable oil has a higher lubrication factor so they engine will infact last longer running it. The new process is for blending vegitable oil with diesel to make biodiesel. It's potentially huge becuase oil prices are going up and biodiesel is only slightly more expensive. It may soon actually be cheaper than diesel, this new process could help make that possible. Biodiesel won't solve all the fuel problems but it's a step in the right direction.

    2. Re:Biodiesel more at the pump? by Mr.+Slippery · · Score: 5, Informative
      Technically biodiesel is a blend of tradtional diesel and vegitable oil that burns cleaner than diesel by itself and if you have a free or cheap source of vegitable oil, used generally, it can be cheaper.

      Er, no. Biodiesel is a fuel produced from vegetable oil, it is not vegetable oil. The article is about a cataylst to improve the process of vegetable oil to biodiesel.

      Some people have done conversion work to run diesel engines on vegetable oil. That's way cool. But that's not biodiesel.

      Blends of biodiesel and tradtional petroleum diesel fuel are popular. That doesn't mean biodiesel is a blend.

      --
      Tom Swiss | the infamous tms | my blog
      You cannot wash away blood with blood
    3. Re:Biodiesel more at the pump? by lousyd · · Score: 1
      Everytime I've seen bio available, it's been below standard diesel prices.

      I just fueled up three hours ago. Regular diesel was $2.79 a gallon; biodiesel was $3.06 a gallon. But anyway, even if biodiesel was half the price of regular diesel, wouldn't you want it cheaper still?

      --
      If aspiration is a virtue, achievement cannot be a vice.
    4. Re:Biodiesel more at the pump? by Thing+1 · · Score: 2, Funny
      I propose that "vegitable" be the new "rediculous".

      You heard it here first. 1/2 ;-)

      --
      I feel fantastic, and I'm still alive.
    5. Re:Biodiesel more at the pump? by nexcomlink · · Score: 1

      Biodiesel is made from standard oil like vegetable oil. That's really not a big problem at all because farmers can provide the world with as much oil as possible. The problem is creating the biodiesel for it can be used in cars.

    6. Re:Biodiesel more at the pump? by quarkscat · · Score: 1

      The oil/energy companies can squeeze more gallons of gasoline out of a barrel of oil than they can of diesel. Between "cracking" the oil molecule, hydrogenation, and additives (in the winter months as much as 10% ethanol), more gallons of gasoline means lower cost per gallon. Diesel fuel has a higher energy content per gallon than does gasoline, but does need to be more highly refined (mainly extraction of sulpher compounds) in order to burn as cleanly (excepting NOx formed by incomplete burning at higher compression ratios). The initial higher cost per gallon for diesel fuel is not really mitigated by the introduction of 20% vegetable oil (that's B-20), since it is smaller scale localized facilities for the conversion to biodiesel to meet (generally) regional demand. Greater demand for biodiesel would eventually lead to larger, more efficient production facilities, as well as expanding the agricultural supply.

    7. Re:Biodiesel more at the pump? by Firethorn · · Score: 1

      Regular diesel was $2.79 a gallon; biodiesel was $3.06 a gallon

      I'll note that prices of fuels can vary quite a bit by location. Transportation costs(distance to the refineries), taxes, subsidies, availability, individual station pricing all play a part. So Biodiesel can indeed be cheaper in one location and more expensive in another.

      But anyway, even if biodiesel was half the price of regular diesel, wouldn't you want it cheaper still?

      Yep. Better, Safer, Cleaner, Cheaper. All desirable. Makes moving stuff easier, allows economic benefit, etc. It's an advantage if it drops the price of biodiesel by even 1 cent a gallon.

      According to you, there's a 27 cent difference right now, another 2 years and that might disappear, even solely from increases in the price of oil.

      --
      I don't read AC A human right
    8. Re:Biodiesel more at the pump? by Concerned+Onlooker · · Score: 1
      which I plan on converting to run on SVO

      While cool, SVO apparently can be a bit problematic. I'm reading this book now and the author eventually ripped his dual-tank system out and went back to B100 (100% biodiesel). Especially in colder climates you don't want to turn off the engine with pure vegetable oil in the lines.

      --
      http://www.rootstrikers.org/
    9. Re:Biodiesel more at the pump? by Gryle · · Score: 1

      ...Biodiesel is a fuel produced from vegetable oil...
      The Journal of Light Construction ran a short article a few months back on this. A contractor went around town to the restauraunts and collected all their used vegetable oil from them. The oil had been used to fry foods like french fries or hushpuppies. He would then run the collected oil/grease through the small processing tank in his garage. He had all his construction trucks converted to run on biodiesel and provided all the fuel for them. After start-up costs all the man pays for is the electricty needed to run the processing plant, since it has to heat up to an insane temperature to processes the food grease.

      --
      Only two things are infinite, the universe and human stupidity, and I'm not entirely sure about the universe - Einstein
    10. Re:Biodiesel more at the pump? by Phurd+Phlegm · · Score: 1
      [...] I've been under the impression that the real problem with biodiesel was A) older fuel lines may be degraded more quickly by biodiesel, and B) producing enough to fuel the world's fuel needs was a big issue.
      I have a friend in Minnesota who has been using biodiesel from a co-op for a few months. It was supposed to be blended with "real" diesel in a mix that was good down to -20 F. Unfortunately, they seem to have messed up their computations, because it gelled up at +20 F and left him and his two diesels (a VW and a Volvo) in walk-mode. He's done with biodiesel until spring.

      At least biodiesel seems to be a net energy gain, unlike alcohol (which is really popular with Minnesota farmers and hence with the legislature).

  5. Cheap Fuel by Thunderstruck · · Score: 3, Interesting

    I was unable to tell from TFA, though I did not read it closely, whether this will make soy biodiesel as cheap or cheaper than standard diesel is now.

    Not that it matters, I just bought a nice, fuel efficient gasoline powered car... It should be wearing out about the time the patent expires on this new process.

    --
    Trying to use sarcasm in text-based forums does not work.
  6. Vegetable fuel by Kelson · · Score: 4, Insightful

    This reminds me of an article I read a few months ago about using corn to produce ethanol on a large scale as a renewable resource. Follow-up articles pointed out that corn (maize, specifically) isn't a particularly efficient crop, which meant that the environmental impact of drilling for oil and depleting oil reserves was just being shifted to depleting topsoil. Very much a "no free lunch" reaction.

    If this biodiesel process can be applied to enough different types of plants, then it should be possible to pick and choose crops based on what does well in a given area -- after all, we don't have to worry about market pressures and what people want to eat, it's just going to be converted into fuel -- which should minimize the effects of choosing hihg-impact crops.

    1. Re:Vegetable fuel by Fnkmaster · · Score: 4, Insightful

      Nobody except corn farmers has ever proposed using corn ethanol as a fuel on a meaningful scale. That is just a farming subsidy scam and a straw man used by confused or malevolent opponents of ecologically sound fuels, or those with political agendas in line with the fossil fuel industry.

      Bioethanol is ethanol made from cellulose feedstocks. These should, in practice, be much lower in terms of energy input required than corn or similar crops used for human consumption. The economics of bioethanol produced by SSF (simultaneous sacharination and fermentation) bears almost nothing in common with corn ethanol.

      Furthermore, if you get rid of farm subsidies from the equations, then the market should take care of making sure energy costs are fully reflected in all prices. Carbon impact is another story, but shouldn't be too hard to measure (and probably is closely correlated with the portion of costs attributable to energy use).

      As for biodiesel - I am under the impression that the major costs are associated with the feedstock itself, not with the acid used in processing. From memory, I think that the feedstock cost is responsible for at least 60-70% of the final cost of biodiesel, so I wouldn't expect a 10x reduction in acid costs to save more than a few percent in total cost. Genetically engineered bacteria seem to provide the most reasonable way to make an oil feedstock for bioethanol production efficiently. The reason that some people think biodiesel is cheaper than diesel is that in Europe they get huge tax breaks on biodiesel, so they are comparing apples to oranges.

      Bioethanol is by far the most promising alternative fuel available today, with attractive envrionmental impact and economic characteristics, and only modest incremental cost to make Flexible Fuel Vehicle engines that can burn either ethanol or gasoline. It's too bad there is zero governmental support for this here in the US. We could greatly reduce our foreign oil dependence within 5-10 years with just a bit of political willpower.

    2. Re:Vegetable fuel by quarkscat · · Score: 1

      Ethanol (or bioethanol, if you will) does not burn as efficiently as gasoline in a gasoline engine. Ethanol has more energy per gallon than does gasoline (and it is "oxygenated"). Ethanol requires an 8:1 air:fuel ratio for complete burning, while gasoline requires a 14:1 air:fuel ratio. Standard (regular) gasoline engines use an 8:1 (or maximim 9:1) compression ration without engine precombustion (knocking), while alcohol fueled engines may use a compression ratio as high as 14:1. A street-legal gasoline engine running pure ethanol (assuming a fuel system conversion) would only get about 60% of the fuel economy of that same engine using gasoline.

      OTOH, diesel and biodiesel are very nearly the same in combustion parameters, except biodiesel runs more cleanly and with less visible soot.

    3. Re:Vegetable fuel by Fnkmaster · · Score: 1

      About 65-70% in practice, actually, on a per-gallon basis with E85. So yes, there's a rather modest cost in convenience (or you just have to build cars with 19 gallon tanks instead of 15 gallon tanks).

      But all of this is irrelevant. The fuel:air ratio in modern car engines is an electronically controlled parameter. FFV engines already exist, and cost only a modicum more than standard gasoline engines. They detect ethanol/gasoline mixtures and automatically adjust the combustion ratio appropriately. See the Wikipedia article for a summary.

      Since the vast majority of engines in passenger vehicles and fueling stations currently support gasoline, telling people to get an FFV for their new car is actually much easier than telling them to get a diesel. And in fact, some people already have FFV cars and don't even know it (the car manufacturers sell them to comply with legislation and get tax breaks, even when people don't know their car can use ethanol).

    4. Re:Vegetable fuel by evilviper · · Score: 1
      From memory, I think that the feedstock cost is responsible for at least 60-70% of the final cost of biodiesel,

      That leads to a complicated question. People are generally opposed to eating genetically modified plants, but how about if they were designed and grown to more effeciently produce biodiesel? Would there still be throngs of protestors?

      What does everyone think?
      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
    5. Re:Vegetable fuel by joib · · Score: 2, Informative


      Ethanol has more energy per gallon than does gasoline


      Nope. The energy density of ethanol is about 2/3 of that of gasoline.

    6. Re:Vegetable fuel by Kelson · · Score: 1

      IIRC there are two main objections to GMOs.

      The first is the obvious one: do we know enough to prevent side effects. This isn't just the we've-created-a-monster level, or even worries about creating toxins. Consider allergies. If you insert genes from a peanut strain into a corn strain, how likely are you to create corn that contains peanut allergens? Suddenly people who are allergic to peanuts have to worry about corn sending them to the emergency room. This argument boils down to the idea that we don't know enough yet to be able to make things safe for human consumption.

      The second is the risk of a genetically-modified strain escaping into the wild and replacing natural strains. (The idea is that if you've engineered something to be hardier, or to have a greater yield, then it will outcompete other varieties.) Then, if you need something from one of the natural or domesticated strains, you're out of luck. This is where you run into monoculture problems like the great Irish Potato Famine, or the impending fate of our current favorite commercial variety of banana. If something comes along that turns out to kill your GMO crop very effectively, and everything around is that particular strain, you're in serious trouble. If there are still many varieties out there, at least you have more source material to work with. This argument boils down to Murphy's Law, really: somewhere, someday, something will go wrong with efforts to keep GMO crops bottled up in a particular area.

      So the first objection is irrelevant for the most part, because people aren't eating it. But the second one still holds.

    7. Re:Vegetable fuel by evilviper · · Score: 1
      The second is the risk of a genetically-modified strain escaping into the wild and replacing natural strains.

      Many GM seeds have been designed so that the crops will not produce seeds, and so, can't reproduce in the wild. This does pretty well eliminate the possibility of it spreading.
      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
    8. Re:Vegetable fuel by Kelson · · Score: 1
      Many GM seeds have been designed so that the crops will not produce seeds, and so, can't reproduce in the wild.

      And, of course, farmers can't save it for seed for the next season, requiring them to keep buying from the supplier. Convenient, that.

      This does pretty well eliminate the possibility of it spreading.

      I know it's standard hybridization and not genetic modification in the sense we usually use it, but I've found quite a few seeds in "seedless" watermelons.

  7. not a catalyst by fuck_this_shit · · Score: 4, Insightful

    catalysts? acids? expensive? the definition of a catalyst is that they do not get transformed in an reaction but simply speed it up. In this case it rather sounds as if the acids are a simple consumed reactant.

    1. Re:not a catalyst by wfberg · · Score: 5, Insightful

      catalysts? acids? expensive? the definition of a catalyst is that they do not get transformed in an reaction but simply speed it up. In this case it rather sounds as if the acids are a simple consumed reactant.

      A catalyst not being used up is all good and well, but it doesn't do you very much good in the cheap department if you can't easily get that catalyst to stay where the reaction is taking place; i.e. if there's no way to get the catalyst out of the resultant biodiesel and into a fresh batch of vegetable oil, it's not getting consumed, but it's getting siphoned off (via the endproduct) none the less.

      --
      SCO employee? Check out the bounty
    2. Re:not a catalyst by Anonymous Coward · · Score: 0

      the NAOH doesn't end up in the fuel, the fuel is typically washed to bring it down to a more neutral pH and the methanol can be recovered by other means

    3. Re:not a catalyst by phatslug · · Score: 1

      The NaOH is still a reactant with the fatty acid, it's not simply increasing the rater of fatty acid to ester conversion. I assume the OH from the sodium hydroxide is reacting with the carboxy functional group of the fatty acid.

    4. Re:not a catalyst by polysylabic+psudonym · · Score: 1

      Trust them, it's a catalyst.
      The catalyst isn't transformed, it's just really energy-expensive to retrieve it in useable form from the resulting fuel. For example, the methanol catalyst is not transformed, but to retrieve it from the biodiesel one must distill it out.

    5. Re:not a catalyst by Anonymous Coward · · Score: 1, Informative
      As a chemical engineer trying to scale up his company's biodiesel production right now, this may as well be my most authoritative post on /. : I don't have a clue WTF they are talking about.

      The most common industrial process for biodiesel (BD) is acid catalysed esterification followed by alkali catalysed transesterification. At both stages, catalysts may be consumed because of side reactions but bulk of them survive the process. At the end of the processes, though, catalysts are removed and not recycled.

      The bulk of the BD comes from transesterification process while esterification process merely prepares the stock for that phase. Esterification is fast with free fatty acids (FFA) but not with triglycerides. Bulk of oil or fat is triglycerides, only a small percentage is FFA. If the FFA content of the stock is low enough (eg. with virgin vegetable oil -VVO- stock) you may as well not bother. If you don't do the acid catalysed esterification, you consume some of your alkali catalyst as a reactant in a side reaction (neutralization of FFAs) and you might -depending on the details of the alkali catalyst you are using- produce some soap. Soap creates some problems down the line (eg. purification of BD is more difficult) but with VVO, it is a minor nuisance, not a showstopper. Consumption of alkali catalyst is also a non-issue, as it can not be recycled and lost at the end of the process anyway.

      It is actually possible to salvage some of the acid at the end of the process, but normally sulphuric acid is used and it just isn't worth recycling. If acid is recycled, it is usually because removing acid phase also removes water and removing water is better than neutralizing the acid and producing more water; not because it makes economic sense to recycle cheap acid.

      Obviously, using a esterification-transesterification based process, the invention is totally worthless. The transesterification reaction can be carried out at low temperature and pressure, so that is the dominant industrial process. It requires very basic equipment, is energy efficient and safe and has high conversion rates. Assuming they are not clueless, they must be talking about direct acid catalysed BD production, which is slower, harder (requires high pressure, temperature and somewhat more advanced equipment) and hopefully cheaper.

      In direct conversion process, the stock, mixed with alcohol, is heated and passed through a bed of acidic catalyst. The cheap acids like sulphuric acid, HCl etc. are not suitable for this reaction, a solid, surface active acid must be used. Catalysts are not consumed in the reaction but degrade over time and lose effectiveness. They must be replaced or regenerated sooner or later. So catalysts are consumed after all (that is also true for all catalytic industrial processes - catalysts survive reaction by definition but they don't last forever.)

      Assuming the direct conversion process is cheaper (which is usually not - not with VVO stock and not without largest scale plants), producing a cheaper catalyst obviously reduces the overall cost. However the oil is by far the most expensive ingredient in BD process and its prices fluctuate wildly with a strong upward long-term trend. So the savings should be marginal. The third highest cost item (second is alcohol, common to all BD processes) is energy and that also has an upward trend. Since direct conversion is less energy efficient, any savings on catalysts may be more than compensated by cost of increased energy consumption.

      I could go on, but I think you get the picture. Posted as AC for obvious reasons.

    6. Re:not a catalyst by nusuth · · Score: 1

      Methanol is not a catalyst, it is a reactant. The fact that there is some unreacted methanol at the end of the process is because it is used in excess of the stochiometric amount. Typically 150%-500% (160%-200% typical) of the minimum required amount of methanol is used and the excess 50%-400% is recovered at the end of the process. Use more methanol and you get better conversion and somewhat faster reaction but you need more energy to recover the methanol at the end of the process.

      --

      Gentlemen, you can't fight in here, this is the War Room!

  8. Recyclable solid acid an old concept by Anonymous Coward · · Score: 0

    A recyclable solid acid was developed decades ago, but no one has been high enough to be willing to drink the piss, despite how much window pane they've been given.

    1. Re:Recyclable solid acid an old concept by Anonymous Coward · · Score: 0
      Funny. Unfortunately, I doubt any lysergic acid diethylamide tartrate from gel window panes would still be around in piss, but maybe you could purify the degraded compounds and back-convert them into LSD.

      But back on topic, Zeolites are porous, solid catalysts that are used to catalyze just about everything in the petroleum industry. The active acidic catlalyst sites are inside the pores, so the pores size-select which molecules react. Only the reactants diffuse into the pores, and the products diffuse out.

      People around here seem to be confused by catalysts. A catalyst, by definition, is not consumed in the reaction it catalyzes. But that doesn't mean it won't get destroyed by some side reaction. Sulfur content in oil is a big problem for refineries, because it can poison the cracker catalysts (used to break longer chain hydrocarbons into C7-C8, which is more profitable gasoline). Lead in gasoline poisons the platinum catalytic converter in modern cars.

      There are two principles in catalysis: thermodynamics and kinetics. Graphite is more thermodynamically stable than diamond, so diamonds will eventually decompose into graphite, but it might take millions of years. Kinetics, determined by the activation energy between two states (say, graphite and diamond), tells you how long the thermodynamically stable reaction will take. A catalyst lowers the activation energy of a reaction, usually by stabilizing some transition-state compound.

  9. Well by hug_the_penguin · · Score: 5, Interesting
    It isn't going to solve the world's dependence on oil overnight, but it's perhaps a step forward.

    The next problem will be a shortage of arable land due to land used to produce the vegetables that are then going to become diesel. This could solve one problem and lead straight into another

    --
    ~HTP~ Hug that tux ;)
    1. Re:Well by Anonymous Coward · · Score: 0

      The next problem will be a shortage of arable land due to land used to produce the vegetables that are then going to become diesel. This could solve one problem and lead straight into another

      Like what? There is a lot of arable land which isn't used to produce anything, either because it's not suitable for creating a food crop that's viable to the region, or because of a combination of not being worth it, ontop of government regulation such as the Japanese rice farming industry. Taking into account that a lot of the advanced nations have a rising unemployment rate, and a lot of arable land that's wasting right now, this could actually be an unexpected solution to some other problems.

      That said, one great thing about bio-diesel is that it doesn't require fresh veggie oil. The thing I like about it is that it can be first used to fry your mickey-D fries, and THEN converted to diesel fuel. You tend to lose the cost benefit when using fresh oil as an ingredient, but being able to use used oil, the economics start making more sense.

      Remember, with dino-diesel you need to drill far away (well, far away in the case of places like Japan), transport, refine, transport again... I tend to think the key is small batch local production. Cut out a lot of the transportation and large scale stocking issues, and drive down the cost.

      That said... dino-diesel and all other fuels are suspiciously cheap IMHSHO. I understand the production costs for bio-diesel, and they're pretty darn cheap as is. Still, you can't compete with dino-diesel if the same taxes were applied. Which is odd. After all that transportation etc., how come dino-diesel is cheaper than bio-diesel?? Doesn't make enough sense.

    2. Re:Well by Average_Joe_Sixpack · · Score: 1

      It isn't going to solve the world's dependence on oil overnight, but it's perhaps a step forward.

      No it isn't ... biofuels will always have a negative production efficiency ratio because photosynthesis is less than 1% efficient. There is simply no "miracle" solution for replacing the effort that mother nature has put into producing fossil fuels over the last 500 of million years (same for those in the ambiotic camp).

    3. Re:Well by hug_the_penguin · · Score: 1

      The argument is to whether this matters given that it isn't costing us to have use of the sun. Yes, it's inefficient, but it's a damnsight easier than waiting 10 million years (when we have an estimated 10 years of fossil fuels left)...

      --
      ~HTP~ Hug that tux ;)
    4. Re:Well by chronicon · · Score: 1
      It isn't going to solve the world's dependence on oil overnight, but it's perhaps a step forward.

      You are right, it is not and I seriously doubt it ever will. It just takes too much land/vehicle to be practical. Some parties indicate that this issue of oil dependence has already gone beyond critical mass (meaning supplies have peaked and will slowly not be able to meet demand in the near future causing all kinds of economic and social griefs--neither of which possibilites I had ever considered possible in my lifetime). It has even grabbed the attenion of some of the folks in the House of Representatives for whatever good that will do...

      The suggestions that I have read repeatedly is that we need to put the energy and effort into renewable energy sources on the scale of the man-to-the-moon effort. Critical. It has been stated that President Bush was very much interested in this situation prior to 9/11 and the events that have transpired. Needless to say, he's been somewhat sidetracked...

      Gimme nuclear fusion and better batteries!

    5. Re:Well by larry+bagina · · Score: 1
      (when we have an estimated 10 years of fossil fuels left).

      Funny thing is, people have been saying that since the 1960s. Eventually, it might be true, but it's no more true today than it was 40 years ago.

      --
      Do you even lift?

      These aren't the 'roids you're looking for.

    6. Re:Well by johnMG · · Score: 1

      > Gimme nuclear fusion and better batteries!

      The problem with nuclear fusion, in my view, is that it's still centralized. Stuff like solar, wind, and biodiesel are (or can be) distributed, giving you no one single point of failure. Distributed energy systems are, I believe, where it's at.

      And regarding the batteries,.. Ni-M-Hydride seems to be the as good as it's gonna get for a long while. Lots of money has been spent on research in this area already.

    7. Re:Well by chronicon · · Score: 1
      > Gimme nuclear fusion and better batteries!

      The problem with nuclear fusion, in my view, is that it's still centralized. Stuff like solar, wind, and biodiesel are (or can be) distributed, giving you no one single point of failure. Distributed energy systems are, I believe, where it's at.

      And regarding the batteries,.. Ni-M-Hydride seems to be the as good as it's gonna get for a long while. Lots of money has been spent on research in this area already.

      If the Peak Oil (pessimist) guys are right, I would rather have something producing power now (in abundance) even if it's not easily distributed at the moment. Even if that means fission reactors. We know that works and will last. It would give us a breather if the oil supply starts dropping while demand continues increasing. A breather long enough hopefully to develop some of these other "greener" solutions.

      Or we could just continue on the same course we've been following for a hundred years and hope it doesn't affect us in our lifetimes. A pretty callous course placing this burden on the next generation or so...

      Sorry, no oil for you. Figure something else out, but since you're (low or) out of oil it might be difficult to find energy to power your new ideas until they are mature enough to take over...

      bleak, huh?

      --
      Frodo: I wish the ring had never come to me. I wish none of this had happened.
      Gandalf: So do all who live to see such times. But that is not for them to decide. All we have to decide is what to do with the time that is given to us. There are other forces at work, Frodo, than the will of evil...

  10. In other news... by Kohath · · Score: 4, Informative
    1. Re:In other news... by foniksonik · · Score: 1

      In Brazil..... where you have to de-forest to plant anything else.

      --
      A fool throws a stone into a well and a thousand sages can not remove it.
    2. Re:In other news... by toetagger1 · · Score: 1

      And how many trees die every year of acid rain (which the article mentions as being greatly reduced by this product)?

      But more importantly, if this product has a chance to avoids a war over oil, its worth a lot more than more acres of land being used. And as we make progress in agricultural technologies (and share that technology with the rest of the world), we may not even need more than the currently existing farmland to supplement 20% of the worlds disel with biodisel.

      --
      who | grep -i blond | date cd ~; unzip; touch; strip; finger; mount; gasp; yes; uptime; umount; sleep
    3. Re:In other news... by Valar · · Score: 1

      Yeah, great. The argument is that some of the diesel might come from Brazil, which means that it might involve cutting down forest. Not will. Might, in some sort of realm of speculation. Or it could come from places that already farm these crops, you know, where the necessary plants already grow.

      Of course, since biodiesel can also be made by refining wastes, there aren't really any needs for new crops anywhere at all.

    4. Re:In other news... by hazem · · Score: 1

      You do realize that many of the fertilizers that give us that technology-punch in agriculture are petroleum-based?

      Have we gotten anywhere if we are still trying to use the same amount of petroleum - but now we're just using it to grow more vegetables to make more fuel?

    5. Re:In other news... by akb · · Score: 1

      Given that in the US the amount of gasoline used in one day is equal to the amount of vegetable oil consumed in one year, it is foolish to think that a meaningful amount of biofuels can be produced without large scale new planting.

    6. Re:In other news... by SEE · · Score: 0

      there aren't really any needs for new crops anywhere at all.

      Current cropland and wastes, with the oils recovered at an impossible 100% efficiency, won't replace even 15% of current world petroleum usage; with the current annual growth in demand, that's a pittiance with even a short projection into the future. Any truly significant use of biodiesel will require some form of cultivation of currently uncultivated areas. Same is true for ethanol. And in both the biodiesel and ethanol cases, the uncultivated land that would be cheapest, easiest, and most productive to convert to biofuel production is currently rainforest.

      There are other processes to make biodiesel, yes; but they are unproven commercially and would require massive capital investment. So any short-term spurt in biofuel demand is most likely, due to economics, to kill rainforest.

    7. Re:In other news... by GreenCow · · Score: 1

      So I'm assuming you must be vegetarian since most deforestation in brazil and elsewhere has been for cattle farms and the soybeans that feed them. I'm not sure how much of the world's soybean crop is for cows vs humans vs biofuels but I've got a feelings that the cows are winning here.

    8. Re:In other news... by Burz · · Score: 1

      Have we gotten anywhere if we are still trying to use the same amount of petroleum - but now we're just using it to grow more vegetables to make more fuel?

      Yes, it gets us somewhere. Biodiesel from soybeans returns energy at a ratio of 3.2:1 (this is the fuel's energy balance). That means we gain 220% more energy than we put into farming, fertilizing and processing it. Now consider that not all of the farming/fertilizer/processing energy is fossil (some comes from renewable energy). You can Google for biodiesel, energy balance, lifecycle to find out more (studies, articles, etc.). You can also check out biodiesel.org.

    9. Re:In other news... by shawb · · Score: 1

      Yes, some amount of petroleum is currently used to make fertilizers for crops. However, Biodiesel and other biofuels need not be as fertilizer intensive: different crops can be grown for biofuels, and portions which are currently wastes in the food and other agricultural production process (stems of plants, husks, corncobs, used fryer grease, etc) can be used as feedstocks. Different methods of farming are continuously being investigated which reduce the dependance on fertilizers (crop rotation, mixed crop plantings, contour plowing for example.) Finally, alternate sources of fertilizers are available: food and animal (including human) wastes have been used as fertilizer as long as we have had agriculture. Refining the techniques can prove to be more efficient (and using manure and urine based fertilizers on fuel crops would be significantly less risky than using them on food crops.)

      Although I'm not sure that fertilizers are the major use of petroleum in growing crops... the machinery (tractors, harvesters, transportation) currently use a significant amount of fuel. Improvements in engine efficiency would reduce this need though, and farm machinery would be an ideal first implementation of biodiesel: many large farm machines are already diesel, the source of production would be geographically near the location consumed, as well as providing the potential to reduce the risk of contaminating crops with petroleum based fuels.

      But when you hear that more energy is put into creating biofuels than comes out, these studies are generally done with older agricultural and industrial techniques, and assume that the feedstocks are grown specifically for making biodiesel rather than using waste products.

      --
      I'll never make that mistake again, reading the experts' opinions. - Feynman
    10. Re:In other news... by bhtooefr · · Score: 1

      And... there's another benefit that your comment reminded me of.

      When you extract the oil from the soybeans, you end up with a byproduct (IIRC, 80% of the mass of the soybeans) that can be fed to... CATTLE!

      While soy biodiesel is one of the least efficient ways to make biodiesel (rapeseed and hemp are MUCH more efficient), it's got very usable byproducts.

  11. Re:But the current method is just fine by Anonymous Coward · · Score: 0

    OKAY..... so this is about Japanese scientists (note the location is in TOKYO).... and think about it: CHINK means CHINESE..... so take your raciest comments back to you parents basement and get a life....

    http://kpearson.faculty.tcnj.edu/Dictionary/chink. htm

  12. Everone wins! by ThatGeek · · Score: 4, Insightful

    If I were from one of those square-type states with lots of farms, I would be on this in a second. It would be the holy grail for farmers: a way to link national security with farm supports.

    If the government could help farmers grow soybeans and in return reduce dependence on foreign oil, both left and right wingers would be happy. Imagine that! Good for security, good for American jobs, good for the environment, and even good for business (cars would need some retooling).

    Where do I sign up? Oh, it's one of those "This technology will be really cool when it becomes available in 10-15 years" stories, huh?

    --
    What are you eating? isItVeg?.
    1. Re:Everone wins! by Wyatt+Earp · · Score: 1

      This has been something that's been tried for about 30 years now in the States. By politicans Republican and Democrat it's looked down upon as Pork Barrel politics. Everyone from the Dakotas, Iowa, Kansas, Missouri, Ohio, Minnesota, and anywhere else with soy and corn production are in favor of it, everyone in the House and Senate from all the other states hate it.

      It's been in the farm and energy bills pretty much constantly since the mid 70s, but it's not popular.

      Example of a Republican take on it
      "Senator Jim Talent, the Missouri Republican, is one of the senators we admire most. That's why we're saddened to see him backing a costly and fruitless giveaway to special interests. Yesterday, Talent proposed -- and the Senate Committee on Energy and Natural Resources passed -- an amendment to the Senate energy bill that would mandate eight billion gallons per year in ethanol production. That puts Talent -- at least on this issue -- in the company of ex-Senate majority leader Tom Daschle, who got a five-billion-gallon mandate in last year's bill."

      http://www.nationalreview.com/editorial/editors200 505260854.asp

    2. Re:Everone wins! by Anonymous Coward · · Score: 0

      It's been pork because there's been no real need - it's been approached as pork. Approach it from the angle of "I can't drive to work, heat my home, or keep my food fresh," and we'll find an efficient means to produce energy as fast as we can throw the much-abused scientific community at the problem - whether that means nuclear energy, solar panels, dung-fungus, cow emissions, coal, ethanol, or biodiesel.

  13. SVO by evenprime · · Score: 4, Informative
    You still have to play with nasty chemicals when you convert veggie oil to biodiesel. If you are dead set on producing huge amounts of particulate emmisions (i.e. running a diesel) it might be better to use one of the conversion kits and run straight veggie oil.

    Don't mod me into oblivion for pointing out a negative to biodiesel. I know about the benefits: http://www.thecarconnection.com/Auto_News/Green_Ma chines/Diesels_Clean_Green_Illegal.S196.A3569.html

    --

    "Weapons should be hardy rather than decorative" - Miyamoto Musashi
    I think that goes for OS's too
    1. Re:SVO by kesuki · · Score: 1

      Well, as you shouldn't be too worried, if biodiesel becomes extremely widespread, one can use a catalytic converter -- because biodiesel contains no sulphur or other chemicals to 'destroy' the converter a world where only biodiesel is produced would be one where diesel vehicles came with emision reducing catalytic converters.

      this is definitely a very good piece of news though :) breakthroughs like this one improve the economic outlook of growing algae and converting it to biodiesel for 'profit' which means someone who had the vision and the desire to try and find the money to start such a business might have a much more impressive future outlook for profitability.

    2. Re:SVO by kesuki · · Score: 1

      oops, contains very little sulphur.. but i'm pretty sure i read somewhere that petrol diesel destroys catalytic converters, while bio diesel doesn't... and frankly, we'd have to produce a LOT of bio diesel to replace all the petrol diesel being sold, something that would take a lot more source oil. only 2% of 'cars' run diesel, but i've yet to see a semi that burns anything else, and most farm equipment burns diesel too.

      a side note, the original design that later became a diesel engine ran on pure peanut oil, no conversion needed..

    3. Re:SVO by Anonymous Coward · · Score: 0

      Particulate emissions is a big problem with diesel, but not nessessarily biodiesel. The Diesel that we run on in our country has sulfur added to it as a lubricant, and sooty sulfur compounds are a result. Biodiesel doesn't need to have sulfur added as it is naturally lubricating. Most pollutants that are high in diesel is significantly reduced as a result of running straight biodiesel as compared to diesel, with the exception of NOx (which is slightly increased but can be compensated for by advancing the timing on the engine). But to get this reduction you would need to not run a blend with diesel. My old DOT bookmark is broken, but this site has numbers that were similar. Please take with grain of salt: http://www.geocities.com/medicalmarijuana2003/fact 29.htm

      As far as the other folks' concerns on having enough crop space. Try checking out this Government funded study which concludes that much of the needed biodiesel can be harvested from algae (which can be up to 50% oil) that is grown in places like the Sonoran desert. We can also use municipal waste runoff to fertilize it. http://www.unh.edu/p2/biodiesel/article_alge.html

    4. Re:SVO by Andy+Dodd · · Score: 1

      The point of this article is that they seem to have found a replacement for those aforementioned nasty chemicals, although the article only extolls their low cost, and doesn't say anything about their toxicity. (I'm actually a bit surprised about this, considering that from what I recall, the chemicals needed to convert VO to biodiesel weren't that expensive, at least compared to the price of nonwaste veggie oil itself.) I would love to know if these new catalysts might also have reduced toxicity. Given the fact that most of the cost of biodiesel is the feedstock and not the catalysts, reduced toxicity would be the bigger news.

      Also, regarding your comment about particulate emissions, that link is talking about normal diesel. If I recall correctly, one of the numerous advantages to biodiesel is a significant reduction of particulate emissions. The main disadvantages of biodiesel over diesel were higher NOx emissions and a higher gel point. (i.e. biodiesel performs worse in cold temperatures). Despite the higher NOx emissions, biodiesel is much cleaner burning than dino diesel. Another poster mentioned the possibility that in a B100 world (i.e. 100% biodiesel), it may be possible to use catalytic converters on diesel engines, fixing the NOx problem.

      --
      retrorocket.o not found, launch anyway?
    5. Re:SVO by Anonymous Coward · · Score: 0
      oops, contains very little sulphur.. but i'm pretty sure i read somewhere that petrol diesel destroys catalytic converters, while bio diesel doesn't...

      I've modded a few comments on this story, but it seems most of the professional chemists are asleep at the wheel, so here's my professional answer as a card-carrying member of ACS:

      Diesel fuel does contain sulfur, which serves as both a lubricant and a source of acid rain. Recently the amount of sulfur allowed in road vehicles was increased from 15ppm to 250-500 ppm (!), with the recent hurricanes cited as justification. Even a tiny amount of sulfur will kill a catalytic converter, although biodiesel has practically none. In petro diesel, the sulfur usually comes from either mineral deposits or degraded organic material--specifically proteins, NOT lipids. Vegetable oils have only carbon, hydrogen, and a bit of oxygen. No sulfur at all, except from trace contamination. But biodiesel combustion produces much less carbon monoxide than petro diesel, so might not even benefit much from a catalytic converter. What people haven't mentioned much here is that biodiesel can make your engine last about twice as long due to its better lubricity. I've been running 100% biodiesel recently, but yesterday I got a few gallons of kerosene to add to the tank to keep it from gelling (not like Magellan). Kerosene is diesel #1, while standard auto diesel is the much dirtier, nastier diesel #2.

      You might want to check out another one of my anonymous posts on catalysts here.

    6. Re:SVO by kesuki · · Score: 1

      Thanks for the clarification.

      biodiesel production seems like it's the technology that is the most 'realistic' and 'ready to go' for solving our fossil fuel based transportation issues. fuel cells? shift the burden from oil to coal. same with electric vehicles. Bio diesel is the only substance that can easily be refined entirely from naturally occuring compounds (at least now it can) although relying on kerosene to use it in cold weather seems like a bad idea since kerosene can only be produced from coal and oil. perhaps some better anti-gelling substance can be formulated from organic materials...

      now if only we had enough people growing enough cheap oil bearing plants (like algeas) to replace the dependance on pertrol diesel and enough bio diesel refineries, and had a solution ready to go to combat gelling... any country with the resources to build and deploy a suitable bio diesel industry could completely stop depending on 'mid east oil' and then we wouldn't be getting involved in these horrible bloody wars over oil all the time.

  14. Or you could just use straight vegetable oil... by httpamphibio.us · · Score: 2, Insightful

    I don't understand what the big fuss about biodiesel is... almost all diesel vehicles can be cheaply and quickly converted to use straight vegetable oil as fuel. Granted, you have to start and end on diesel/biodiesel to warm up the vegetable oil. Used vegetable oil can be found for free at most restaurants and the process of filtering it to be used as fuel is relatively painless. Instead of converting masses of perfectly useable vegetable oil to another form, why not just use it as is?

    Oh... yeah, that's right... if people pushed the use of straight vegetable oil then they probably couldn't justify selling biodiesel for $4-$6 a gallon.

    --
    sig.
    1. Re:Or you could just use straight vegetable oil... by Anonymous Coward · · Score: 2, Informative

      I don't understand what the big fuss about biodiesel is... almost all diesel vehicles can be cheaply and quickly converted to use straight vegetable oil as fuel.

      Since when was $800~ (without labor) cheap? SVO is a great idea if it flies. But there are more issues with SVO than bio-diesel, one of them being the additional parts required.

      Granted, you have to start and end on diesel/biodiesel to warm up the vegetable oil.

      This is part of the problem. Burning dino-diesel isn't that big of a deal to me, since it's very minimal, and clean diesel CAN be made. (Get rid of the sulfur additives!!) However, from a user perspective, it requires two different tanks, re-fueling two different fuels, and, oops, I just dumped SVO into the dino tank... (Something that will likely happen if you need to fuel up on two different fuels at the same time.)

      Used vegetable oil can be found for free at most restaurants and the process of filtering it to be used as fuel is relatively painless. Instead of converting masses of perfectly useable vegetable oil to another form, why not just use it as is?

      Bio-diesel can be made using used veggie oil too, and that's the way it should be. Not all fuel can be supplied that way, but why not use what we've got? Once that's done, no additional parts will be needed for diesel engines. They'll work as is.

      Oh... yeah, that's right... if people pushed the use of straight vegetable oil then they probably couldn't justify selling biodiesel for $4-$6 a gallon.

      The cost of bio-diesel shouldn't be $4-$6/gallon. It should be closer to $1-$2/gallon, but the economics don't add up right now mostly because of a lack of demand and support. That said, if you think $1-$2/gallon is too expensive, maybe you've been a bit spoiled... I live in Japan and pay $5/gallon for gassoline right now. Diesel is about $4/gallon right now, but in Tokyo it's been pretty much all but banned.

      Anyhow, power to you if you can get your car running on SVO. (Do it right though, or you'll kill your engine!) The more people are willing to pay the $800+ to convert to SVO the better, and the more cheap (pre-filtered) used SVO available on the market the better. It's not viable just yet though, so until it is, I'll be following the bio diesel movement... which, for the most part, seems to be a battle with politicians rather than a battle with technology...

    2. Re:Or you could just use straight vegetable oil... by ultima · · Score: 2, Interesting

      Normal diesel engines in their standard configuration can not properly work with vegetable oil. You need modified glow plugs (cheap and easy) and fuel injectors (not cheap and easy) to avoid premature engine failure from improper injection and combustion. Standard fuel filters also won't properly deal with straight vegetable oil (maybe easy, maybe a nightmare), especially at cold temperatures or during extended storage when the oil will crystallize. However, if you're willing to go that route, and install a special tank that preheats (definately not cheap or easy) the vegetable oil before the engine is started, you can run SVO. Even if you don't want to pre-heat, you can mix the oil with a bit of gas or dino diesel to reduce the viscosity, and still get a combustible mixture. Regardless, improper configurations or improper mixtures can permanently damage an engine very quickly (a couple hundred miles).

      Here's a nice link:

      http://journeytoforever.org/biodiesel_svo.html

    3. Re:Or you could just use straight vegetable oil... by Dirtside · · Score: 1
      almost all diesel vehicles can be cheaply and quickly converted to use straight vegetable oil as fuel.
      Maybe, but all diesel vehicles can use biodiesel without any conversion, can't they?
      --
      "Destroy science and religion. Science would re-emerge exactly the same; but not religion." - Penn Jillette, paraphrased
    4. Re:Or you could just use straight vegetable oil... by evilviper · · Score: 1
      Maybe, but all diesel vehicles can use biodiesel without any conversion, can't they?

      Not in cold climates. At the very least you need an insulated and heated tank so it doesn't turn into gel.
      --
      Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
    5. Re:Or you could just use straight vegetable oil... by Anonymous Coward · · Score: 0
      Maybe, but all diesel vehicles can use biodiesel without any conversion, can't they?

      With minimal conversion would be more accurate. I learned the hard way. I'd been told biodiesel eventually dissolves rubber fuel lines (such as those in my 1984 benz), but I thought I'd have at least a few months to change my fuel lines to Viton (solvent resistant polymer, commonly used in O-rings). Nope. Some of the puny fuel lines started leaking in no time, and I eventually had to race against my dripping fuel lines to get to a garage where I could swap out the fuel lines.

      But I've heard the more modern diesels, like those made by VW, have synthetic fuel lines and need no conversion.

      Cold weather can cause the fuel to gel, but mixing in diesel #1 (kerosene) or #2 (at the pump) can lower the gel point for winter driving.

  15. why is this a breakthrough by SlashSquatch · · Score: 2, Interesting
    It's a breakthrough because the new catalyst is a more immediate part of the the carbon cycle than petro chemical catalysts.

    I have an SVO Blazer. It's a real pain in the ass getting that grease out of dumpsters. I worry about the health factor. It seemed like I was getting sick more often when I was doing it. My wife made fun of me for a year. I fought a defective system and had lots of problems. Yeah I don't listen to naysayers and neither should you. I got 15k mi. doing it, then I ran out of time for that project. If I did it again I'd start a co-op. Biodiesel looks real nice now. Diesel engines are more efficient than gas and longer lasting. Given the amount of agriculture America is capable of, I find it hard to believe we can't supplement our diesel diet with veggies.

    --
    Autonomous Retard -- Is your camp safe? UnsafeCamp.com
    1. Re:why is this a breakthrough by HangingChad · · Score: 2, Interesting
      It's a real pain in the ass getting that grease out of dumpsters...

      When I was looking at a grease car kit I discovered recycled vegetable oil at a restaurant supply house for $1.20/gallon. My plan was to buy it in 55 gallon drums, which they'd deliver free.

      Just wondered if there was a reason recycled oil wouldn't work? Because dumpster diving in grease barrels for waste oil doesn't really appeal to me either.

      I'm happy to pay $1.20/gallon for someone else to handle the collection and filtering.

      --
      That's our life, the big wheel of shit. - The Fat Man, Blue Tango Salvage
    2. Re:why is this a breakthrough by MrSnivvel · · Score: 1

      Just wondered if there was a reason recycled oil wouldn't work?

      It will work, you just have to do extra work to get out the "foriegn" matter and take into consideration the variations in water content from batch to batch.

    3. Re:why is this a breakthrough by zippthorne · · Score: 1

      Who do they usually sell the recycled oil to? Surely it can't be re-used as cooking oil.

      I had a friend that was really into the veggie oil thing. Aparantly there are clubs around with like minded people who will help you do the conversion and set you up with an oil supply. $1.20 is nice, but the local burger factory might let you have it for free if it means they don't have to pay to get rid of it.

      also, apparantly you car will perpetually smell like fast food, so don't do the conversion until after you've found a mate and locked the golden shackles of matrimony.

      --
      Can you be Even More Awesome?!
    4. Re:why is this a breakthrough by SlashSquatch · · Score: 1
      Free delivery at $1.20 a gallon. Sign me up. That's worth it.

      There's no reason it wouldn't work. If you have any concerns, ask for a sample and put it on the stove and heat it up. If it has water in it, it will splatter as the water boils. That's the only way I could see any problems there.

      who's offering this deal?

      --
      Autonomous Retard -- Is your camp safe? UnsafeCamp.com
    5. Re:why is this a breakthrough by Firethorn · · Score: 1

      I'll also note that while it can work for a couple dozen cars within a given city, can you guess how much waste oil your average restraunt produces in a week? I'll give you a hint: A whole lot less than your average gas station dispenses in a day.

      The whole biodiesel thing is about a widespread, commercially viable* alternative to diesel.

      *Someday, maybe. It shows promise.

      --
      I don't read AC A human right
    6. Re:why is this a breakthrough by HangingChad · · Score: 2, Interesting
      It was a local restaurant supply center, last winter...maybe Jan/Feb time frame. Went in to ask about bulk vegetable oil and when I told them about the project they were the ones suggesting the recycled stuff. They said it was blended and filtered. They didn't call it recycled, they used another term...repacked, reblended...something like that. I didn't ask what other uses the oil had or if it could be used in food preparation again. They had it in rectangular metal 5 gallon cans and said they could get it by the drum and if I bought it 55 gallons at a time they'd waive the delivery charge. Which was a big relief to my wife who had nightmares about me hauling grease barrels around. It was a $1.20/gallon in the five gallon tins.

      I still haven't been able to find an old diesel or had time to follow through on the project but I remember the price they quoted because I had them check to make sure it wasn't a mistake.

      That was before Katrina so who knows. The commercial vegoil sites are full of companies looking for bulk vegetable oil for biodiesel projects. My short term project has shifted to getting a shell corn stove put in. Just don't have the time or mechanical skill for a car conversion.

      --
      That's our life, the big wheel of shit. - The Fat Man, Blue Tango Salvage
  16. MOD DOWN PARENT - RACISM by Anonymous Coward · · Score: 0

    As a Chinese person, I am offended by your use of the word ch*nk. Please do not use this, there are many decades of a history of hate and bigotry associated with that word.

    1. Re:MOD DOWN PARENT - RACISM by Anonymous Coward · · Score: 0

      Although I'm not Chinese, I certainly share your offense to the word "ch*nk". Nevertheless, you might want to look at the parent of the parent of your post. He's the one who appears to be racist. Anonymous Coward was just telling him off.

    2. Re:MOD DOWN PARENT - RACISM by Anonymous Coward · · Score: 0

      Here are some helpful clues:

      1. Chinese is not a race.

      2. The use of the term is offensive and hateful, regardless of context.

    3. Re:MOD DOWN PARENT - RACISM by Chowderbags · · Score: 1

      Well, when we live on a planet like the "It's a small world" ride in Disney World, get back to us. Until then, he's got a point, some AC comment on /. is hardly the worst someone will ever face. I don't condone racism, but it happens. People are idiots, what do you expect?

    4. Re:MOD DOWN PARENT - RACISM by EternityInterface · · Score: 0
      --
      the sun is god
  17. Man, I really hope so... by emagery · · Score: 1

    It would be really nice to find some alternatives... but I have to wonder if this, like so many other 'efficiency' discoveries and antioil research, will 'disappear' too. Really...

  18. Willie's Biodiesel by unihedron · · Score: 1

    Get your fill here.

  19. MOD PARENT DOWN TO HELL by imsabbel · · Score: 4, Informative

    This isnt about ethanol. This is about biodiesel.
    Minimally modified vegetable oil.

    PLEASE STICK your old propaganda shit (which you already had prepared, because it would have taken you longer to write that article than the story is online) and shove it up your ass.

    --
    HI O WISE PRINCE. WHT TOOK U SO DAM LONG?
    1. Re:MOD PARENT DOWN TO HELL by Average_Joe_Sixpack · · Score: 1

      All biofuels are plagued by the same production inefficiencies, since photosynthesis itself is less than 1% efficient (Solar irradiance at a generous max of 1000W/M^2 would leave you needing a few dozen acres per tiny car). The macro implications of efficient conversion of used vegetable oil are irrelevant.

    2. Re:MOD PARENT DOWN TO HELL by einhverfr · · Score: 1

      Well....

      First, I understand that there have been some pretty good breakthroughs in ethanol production as well (though truth be told, the yeast take their share of the energy with them). But biodiesel is more efficient.

      What would be best would be taking the waste from making biodiesel and using it to make ethanol. In this way your energy cost is spread across the generation of two energy products with less waste.

      The ideal energy economy is where we are using waste to generate our energy as much as possible. This may not entirely allow us to kick the habbit wrt foreign oil, but it would help a great deal and allow us to be less polluting on the whole as well :-)

      --

      LedgerSMB: Open source Accounting/ERP
    3. Re:MOD PARENT DOWN TO HELL by (negative+video) · · Score: 4, Insightful
      All biofuels are plagued by the same production inefficiencies, since photosynthesis itself is less than 1% efficient (Solar irradiance at a generous max of 1000W/M^2 would leave you needing a few dozen acres per tiny car).
      I thought photosynthesis was actually ~5% efficient. Anyway, assume 1.25% efficiency because much energy goes to tissues other than oil, 6 hours/day of sunlight, and a 180 day growing season. That's ~50 MJ/m^2/year of captured energy. A that car requires 37 kW (50 horsepower) for one hour a day needs ~50 GJ/year. Obviously you'd need 1000 m^2/car/year = 0.25 acres/car/year. Use a factor of four to account for various losses and that's 1 acre/car/year. Hardly dozens of acres per tiny car.

      Can that be right? One acre is barely enough for a horse. Either I slipped a decimal point or horses are really inefficient.

      The real problem with biofuels is not efficiency. It is chemical conversion. Getting the molecules into the proper shape at low cost will take a lot of clever chemistry that hasn't been done yet. The "breakthrough" under discussion is one piece of the puzzle.

    4. Re:MOD PARENT DOWN TO HELL by Anonymous Coward · · Score: 0
      photosynthesis itself is less than 1% efficient

      In what sense? That is captures only 1% of the energy of the light that hits it? Well, if we could actually capture 1% of the solar energy hitting the earth we wouldn't need anything else.

    5. Re:MOD PARENT DOWN TO HELL by yndrd1984 · · Score: 4, Interesting
      1000 w/m^2 is still 4047 kw/acre - even at 1% efficiency on 2 dozen acres you're talking a megawatt per car!

      With some additional data:

      20 horsepower (average use) * 746 watts/hp = 14920 watts for a car to run all the time - so say an average of 1500 if it's used 10% of the time

      Even at 1% solar to fuel efficiency and 33% car efficiency, that's 450 kw or 450 m^2 per car

      an acre is about 4047 meters => 9 cars/acre

      A different way (I know it's only Wikipedia, but if these numbers are right...):

      Algae: 10,000 to 20,000 US gal/acre

      Let's see: I use about 15 gal/week * 52 weeks = 780 gal/year - let's make it 1000 - so I'd need up to 1/10 of an acre.

      Since it takes about an acre of farmland to feed a person, this seems quite reasonable. Even better, algae can be grown in the desert using seawater, so land and water that is useless for most other purposes can be used for biodiesel.

    6. Re:MOD PARENT DOWN TO HELL by killjoe · · Score: 1

      Plants are already grown so why not make fuel out of them? Oil has already been made an consumed why not make fuel with the waste oil? China has already driven the apple farmer out of business why not plant canola and sell the oil?

      --
      evil is as evil does
  20. Nooo...... by gmby · · Score: 0, Offtopic

    Don't listen to them!

    Thier just trying to get you to put sugar in your tank!

    --
    I don't want a pickle; I just want a Motor-Cycle! A four foot cop arrived with a five foot gun!
    1. Re:Nooo...... by Tony+Hoyle · · Score: 1

      Oh the old sugar in a tank myth... that was debunked over 10 years ago that I heard of.. it's probably been known to be bullshit longer than that.

  21. That's not the problem. by Jaywalk · · Score: 4, Interesting
    The problem with biodiesel isn't that it's too expensive to produce. The problem is that there simply isn't enough oil to replace significant amounts of fossil fuel. And there is the issue of what happens to the price of food oil if too much vegetable oil is converted to fuel usage. According to this study by the University of New Hampshire, it is possible to make the necessary oil using oily varieties of algae which can be produced on non-arable land.

    Making soybean biodiesel cheaper won't solve the problem because the limited supply will only meet so much of the required energy needs. It might even cause more problems by creating economic pressure to convert food oils into fuels.

    --
    ===== Murphy's Law is recursive. =====
    1. Re:That's not the problem. by MtViewGuy · · Score: 1

      If the idea of growing certain types of algae that can be used to make biodiesel fuel on a large scale actually pans out, we could see gigantic ponds of these algae being grown almost anywhere there is lots of desert with nearby access to water. We could see enough biodiesel fuel made to fuel every diesel-powered truck and automobile in Europe from ponds based in northern Africa along the Mediterranean coastline.

      The best thing about biodiesel fuel is that unlike oil-based diesel fuel, biodiesel fuel can be refined to combust extremely cleanly with no fried food smell and no diesel particulates, either! :-)

  22. Please enlighten me by Anonymous Coward · · Score: 0

    I understand that you can get more efficiency out of diesel than gasoline (55mpg diesel cars have been around for ever) but the particulate emissions from diesel are much worse than from gasoline. Is biodiesel any better in this regard? Or is the advantage just that you don't need to invade Iraq to get it?

    1. Re:Please enlighten me by Anonymous Coward · · Score: 0

      Or is the advantage just that you don't need to invade Iraq to get it?

      Where exactly does this train of thought come from?

      First Iraq commits genocide (something that we pay into the UN's coffers to stop, supposedly, altho they couldn't seem to care less about it)

      Next Iraq invades Kuwait and murders and tortures civilians....

      The UN then stops short of doing what needs to be done and now we find out it's because the powers that be in the UN are padding their pockets with Iraqi oil money...

      All the while Iraq fires on troops even tho this is against an agrement they signed with the UN to stop the first gulf war

      And now that someone finally stopped kissing up to a sadistic petty insane genocidal tyrrant and got to work, now we're only there for the oil?

      That HAS to be one of the dumbest things I've ever heard. The truth is that if Saddam would have treated his people like human beings and wouldn't have felt the need to invade another country there would be no real UN/US presence in the area... I guess most people are just too short sighted to see that.

      If we would have left Saddam do his good pleasure with Kuwait it would have been equated with letting Hitler run amok. I guess we can't win for lossing in this case since no matter what we do as a people we're going to meet resistance that we eitherdont do enough or we do too much. My opinion? Screw people like you who can't see that the best move is to stomp people like Saddam out ASAFP.

  23. Human energy use linked to global warming by cdrguru · · Score: 1
    If indeed the industrial revolution is the cause of global warming and this really began in the 1800's, then we better worry about what we are going to do that does not spew carbon into the atmosphere if we are going to target a one-world, closed-system ecology.

    The alternative is to plan on getting into space and not being limited to the resources on good old planet Earth. Unfortunately, such investments seem to be taking a back seat to things that have a more immediate payback, like making sure everyone can have an Xbox 360 for Christmas.

    We have a clear choice and if we don't choose soon, the choice will be made for us. Resource consumption is either a way of life or not. Your average family in 800 AD used a lot less resources than just about anyone does today. The choice is to figure out how not to make this a problem or to roll with it and live like they did in 800 AD.

    Sure, there is a third way - pretend that Kyoto will solve things and that such halfway measures are going to do something useful. If this really started in 1800 and not 1980, then reducing emissions to 1990 levels isn't even a beginning, its a joke.

    The next really, really important question is how many humans can the Earth support with 800 AD levels of technology and energy use. If you don't like those answers either, I suggest you wake up and figure out what the real alternatives are. Doing nothing will absolutely result in your descendents living like their distance ancestors did.

    1. Re:Human energy use linked to global warming by sam_handelman · · Score: 4, Insightful

      Evidently you skipped class when they covered photosynthesis.

      All that reduced carbon in the plant-oils COMES FROM CARBON DIOXIDE IN THE ATMOSPHERE.

      Thus, biodiesel is sustainable.

      The *real question* is, how much energy from fertilizer does it take to make this biodiesel? I'd understood that to be the big expense (along with the water,) and not the processing, but I could be mistaken.

      --
      The good and new comes from no quarter where it is looked for, and is always something different from what is expected.
    2. Re:Human energy use linked to global warming by benjamindees · · Score: 1

      how much energy from fertilizer does it take to make this biodiesel?

      Not much. Biodiesel is made from soybeans, or rapeseed, both of which have relatively light fertilizer requirements.

      You'll find studies that say otherwise, from Pimental et al., but he analyzes biofuels as they are produced today, not as they could be most economically produced without fossil fuels. His argument is typically that subsidies are a waste of resources. And though he sometimes likes to expand that argument to say biofuels will always be a waste of time, he's wrong. The problem is not that biofuels are inherently inefficient, it's that the production methods in use today are optimized for high fertilizer use, becuase that's most economical at the moment.

      From other studies, the net energy balance of biodiesel is usually something like 300%, which is twice that of ethanol from corn.

      --
      "I assumed blithely that there were no elves out there in the darkness"
    3. Re:Human energy use linked to global warming by TykeClone · · Score: 4, Informative
      Not much. Biodiesel is made from soybeans, or rapeseed, both of which have relatively light fertilizer requirements.

      Not sure about rapeseed, but soybeans require fairly heavy herbicide treatments to get good crops. And with Asian rust coming to the states, fungicide as well!

      I think that corn is a less energy intensive crop to produce per bushel than soybeans. 1 acre on a good year (like this year!) will yield about 55 bushels of beans. That same acre on a good year (like this year!) will yield about 250 bushels of corn.

      --
      A fine is a tax you pay for doing wrong and a tax is a fine you pay for doing all right.
    4. Re:Human energy use linked to global warming by benjamindees · · Score: 1

      1 acre on a good year (like this year!) will yield about 55 bushels of beans. That same acre on a good year (like this year!) will yield about 250 bushels of corn.

      Those figures sound like they're based on fertilizer use. Fertilizer production is highly dependent upon oil. That's where most of the energy use comes from in studies that include it. Pimental, for instance, says planting, growing and harvesting that much (1 acre) corn requires about 140 gallons of fossil fuels . That figure is clearly not just based on tractor use alone.

      And regardless, comparing number of bushels is completely misleading. Oil processing from soy is basically just extraction. Ethanol production from corn is much more complex, and more energy-intensive. Believe me, the net energy balance of corn ethanol is around 140%, much less than that of biodiesel.

      --
      "I assumed blithely that there were no elves out there in the darkness"
    5. Re:Human energy use linked to global warming by TykeClone · · Score: 1
      Proper crop rotation and the utilization of GPS fertilizer application can and do help with fertilization requirements - as well as the skillful use of "processed animal feed".

      I was just saying that soybean production requires more passes over the land per season than corn production.

      --
      A fine is a tax you pay for doing wrong and a tax is a fine you pay for doing all right.
    6. Re:Human energy use linked to global warming by edunbar93 · · Score: 1

      That same acre on a good year (like this year!) will yield about 250 bushels of corn.

      And presto, you have crisco!

      --
      "No problem. I have the capacity to do infinite work so long as you don't mind that my quality approaches zero."-Dilbert
    7. Re:Human energy use linked to global warming by mpe · · Score: 1

      The *real question* is, how much energy from fertilizer does it take to make this biodiesel?

      Depends very much on what you are growing and where you are growing it.

  24. Recycled Oil? by Anonymous Coward · · Score: 0

    Would you like Fries with your recycled oil?

    Or better yet, upgrade your fries with your Bio Diesel at the same time for only $.39 more.

  25. Not Invented Here by tacocat · · Score: 4, Interesting

    Since this is an accomplishment not by American Industry and is contrary to the current powerbrokers of Dino-fuels it won't mean shit in America.

    2005: law is passed giving a tax credit for bio-diesel mixes. But this eliminates all B-100 biodesiel because it's not a mix. Tax rebates are not made available to the consumer.

    2006: law goes into effect which raises the bar on small diesel engine emissions (commercial vehicles excluded) making it impossible to sell a new diesel car in the United States because the fuel used in the Unites States is too dirty to pass the emissions test. It is not the engine, it is the fuel that fails the test. There are no American automotive manufacturers selling a diesel engine in the United States.

    2007: law is supposed to go into effect to introduce low sulphur dino-diesel which should permit diesel sales to go into effect. I'm a little suspicious that this law isn't currently under assault. But we won't know for another year.

    Go search the internet. The technology for production of bio-diesel and the studies identifying the environmental benefits have been in publication, on the internet of all places, since 1998. And what has been done about it?

    1. Re:Not Invented Here by jcr · · Score: 1

      Since this is an accomplishment not by American Industry and is contrary to the current powerbrokers of Dino-fuels it won't mean shit in America.

      Nonsense. If people can make money selling biodiesel, or save money using it, they will. The oil companies do not have the power to trump the law of supply and demand.

      -jcr

      --
      The only title of honor that a tyrant can grant is "Enemy of the State."
    2. Re:Not Invented Here by Anonymous Coward · · Score: 0

      Of course they can't trump supply and demand, but they've got plenty of excess profit that they can trim simply by building new refineries to exercise their control of the "supply" side of the equation. If you're lucky, they'll do it before you sink hundreds of millions of dollars into biodiesel infrastructure.

    3. Re:Not Invented Here by tacocat · · Score: 1

      You must be kidding...

      The oil companies have a lot more power than you think they do.

    4. Re:Not Invented Here by FrostyWheaton · · Score: 2, Insightful
      Oil companies don't care a whit about the development of biodiesel.

      Their business is transportation, processing and delivery. Whether they are moving and refining petrolium or veggie oil it's the same basic ball game.

      If I were to fear anyone it would be Big Agriculture, not Big Oil.

      --
      Comments should be like skirts. Short enough to keep your attention, but long enough to cover the subject
    5. Re:Not Invented Here by jcr · · Score: 1

      The oil companies have a lot more power than you think they do.

      Evidence, please?

      -jcr

      --
      The only title of honor that a tyrant can grant is "Enemy of the State."
    6. Re:Not Invented Here by roman_mir · · Score: 1

      Hydrogen Fuel Injection system increases efficiency of diesel engines by adding small amounts of hydrogen to the combustion chambers. Burning Hydrogen increases the temperature, burns most of the particles that are normally released into the air from the diesel engines and increases fuel efficiency by 10%. This allows (bio)diesel engines to be at least as clean as petrolium fuel engines.

    7. Re:Not Invented Here by stomv · · Score: 1

      2005: law is passed giving a tax credit for bio-diesel mixes. But this eliminates all B-100 biodesiel because it's not a mix. Tax rebates are not made available to the consumer.

      So run B99. Hell, run B99.99. No worries, mate.

      2006: law goes into effect which raises the bar on small diesel engine emissions (commercial vehicles excluded) making it impossible to sell a new diesel car in the United States because the fuel used in the Unites States is too dirty to pass the emissions test. It is not the engine, it is the fuel that fails the test. There are no American automotive manufacturers selling a diesel engine in the United States.

      It turns out that diesel engines crank out far more soot (and NOX) than gasoline engines, and this is a major problem for California which has to put up with smog due to geographic and human conditions, and the Northeast which has poor air quality due to high population density and Ohio/Pennsylvania/Kentucky coal burning power plants. California + New York + New England == almost 24% of tUSA's population. Of course, as air quality goes down, asthma, heart disease, cancer, and other ailments go up. Which is why...

      2007: law is supposed to go into effect to introduce low sulphur dino-diesel which should permit diesel sales to go into effect. I'm a little suspicious that this law isn't currently under assault. But we won't know for another year.

      a cleaner fuel would help, and why the US Gov't is pushing for a cleaner fuel. It's true that businesses won't move in the direction of "better for the Earth" without a legislative push. Even Toyota knew that the public would call out for legislation encouraging hybrids, and those tax rebates have been essential in the Prius et al gaining popularity.

      At the end of the day, the B100 is a non-issue, and the particulate emmission problem is being worked on as we speak. Any more complaints?

    8. Re:Not Invented Here by tacocat · · Score: 1

      I went to Exxon.com and couldn't find any.... Imagine that.

      I guess it's just the investment recovery consideration more than the simple supply/demand that comes into play here. If you can replace the fossil fuel system you would have to discard the following items:

      1. Middle East
      2. Super tankers (they don't work on farms)
      3. Gulf Coast drilling.
      4. ANWAR, which was so recently won.
      5. Oil refineries (bio-diesel isn't distallation but transesterfication)
      6. All Ocean shore based facilities are in the wrong location
      There is a lot of money wrapped up in what I just listed and no one is going to be quick to discard them anytime soon. If someone like Exxon took the lead they could go a long ways to vastly improve diesel fuel in America both in terms of public opinion (Bio-Diesel has very very low soot, it's used in mining operations) and economy. But they would have to be willing to pro-actively discard billions or trillions in investments in land rights, materiel investments, and then there are the billions it would take to reinvent these facilities for bio-diesel operations.

      Exxon will never make this change until there is another company who is doing it and is so effective that they are biting Exxons market share. And please, I use Exxon loosely -- any oil company name will do.

    9. Re:Not Invented Here by MtViewGuy · · Score: 3, Informative

      Actually, the EPA mandate for low-sulfur (15 parts per million or lower) diesel fuel starts in Summer 2006, along with the same mandate for gasoline.

      This is actually a good idea because removing the sulfur compounds from diesel fuel allows for the use for high-precision pressurized common-rail direct fuel injection into the combustion chamber and the use of a new generation of catalytic converters that double as diesel particulate traps. I've read that BMW has actually gotten their 2.0-liter I-4 and 3.0-liter I-6 turbodiesel engines to meet the 2007 California Air Resources Board diesel emission standard for automobiles using low-sulfur diesel fuel, a truly remarkable achievement considering the difficulties in reducing diesel emissions. This could pave the way for BMW to offer their highly-regarded 3.0-liter turbodiesel engine on the 3-Series and 5-Series vehicles along with the X3 and X5 "crossover" SUV's in all 50 states starting in the 2007 model year.

    10. Re:Not Invented Here by tacocat · · Score: 1

      It turns out that diesel engines crank out far more soot

      You are the bane of this entire issue. Engines don't make pollution, Fuel makes pollution. Kind of like guns and people and who actually does the killing.

      However, that point aside, you are right. But then why would it be that the government would put inplace a restriction upon diesel engines which cannot possible be complied with when the "real" solution won't be made available for another year? It would have made far more sense to put this emissions law into effect the same time that they make provisions for better fuel.

      One of the obvious effects that this will have is that the European manufacturers will have to stop selling diesel cars in the US for a year. During 2005 and earlier, diesel cars have had a fantastic growth in the EU with numbers running about 40% of new car sales being diesel. I think that the high cost of gasoline and the vulnerability of our fuel supply, diesel is ripe for an explosion in the US. But with this new law in place, it's been stalled for at least a year.

      And the American auto industry has nothing to compete with the EU diesel engines with. We haven't practical hybrids, though they are proving to be more fancy than fact as an environmentally positive vehicle. We haven't anything that resembles hydrogen fuel cells, though they too are showing signs of being far from efficient in the big picture. We haven't any diesel engines of the small block nature, expect maybe the Opel by GM, but I don't know enough to say anything more. In short, we have nothing to compete with such a new market product as small block diesel engines. So I would anticipate that the approach you will find in the US in the coming years to a program of anti-diesel FUD, legislative attacks....

    11. Re:Not Invented Here by jcr · · Score: 1

      If you can replace the fossil fuel system you would have to discard the following items:

      No, the owners of those assets would have to deal with their obsolesence. That doesn't confer any power to them to prevent customers from switching to alternatives.

      Exxon will never make this change

      Who says they have to? The oil business isn't a monopoly.

      -jcr

      --
      The only title of honor that a tyrant can grant is "Enemy of the State."
    12. Re:Not Invented Here by tacocat · · Score: 1

      I was going to write a nice well detailed review but I decided to make a few simple points about this.

      • When cars first came onto the scene, horse owners went to great lengths to discredit and inconvenience car owners as much as they could.
      • One of the methods was to use the legal process. They even had a law that car owners had to dissassemble their cars in the presence of a horse.
      • It looks to me that the horse owners did have power conferred to them to prevent (or at least try) to keep customers from switching.
      So I can only conclude that history has proven me right and you are completely suckered into believing that corporations have your best interests in mind (assuming that you are only connected to them as a consumer).

      In short, you are an idiot.

  26. Comparable to E85? by jzarling · · Score: 2, Interesting

    How does this process, and biodesiel, compare to E85 in terms of production costs, energy density, and impact on food supply?

    Given that the H2O powered fuel cell is the holygrail of power systems, wasn't there a push awhile back to use Ethanol and its easy to break hydrogen bonds as the "fuel" for the fuel cell?

    --
    It is better to be the hammer than the anvil.
    1. Re:Comparable to E85? by Anonymous Coward · · Score: 0
    2. Re:Comparable to E85? by roesti · · Score: 1
      A couple of things.

      Firstly, for the purposes of combustion, biodiesel is a lot more like petrodiesel than ethanol is like unleaded petrol. It takes a lot of work to convert a petrol-powered car to run on ethanol without long-term engine damage, whereas diesel-powered cars can run on any mix of biodiesel and petrodiesel, which is why I prefer the biodiesel path to the bioethanol one.

      (As an aside: here in Australia, diesel-powered small cars are quite new and are all pretty expensive. For the most part, "diesel-powered vehicle" means "truck".)

      Secondly, bioethanol and biodiesel will probably have similar environmental impacts, if grown the same way and for the same energy return. Modern studies have put the respective EROEIs for both bioethanol and biodiesel well above 1.0, depending on the crop: IIRC, sugar beet is better for ethanol than sugar cane (EROEI of bioethanol from sugar beet is about 1.8), and soy beans are better for making biodiesel than corn. The good news is that all of these crops are edible, so you can make fuel from some and food from the rest, in whatever proportion is forecast to be required.

      Thirdly, using water as a fuel is not "the holygrail of power systems". Water can hold a lot of energy, but it is not a fuel. You may be thinking of hydrogen power, but again, hydrogen isn't a fuel either. Whether you electrolyse water, or whether you react something with ethanol (I've heard of making hydrogen this way, but I don't know the details), it takes more energy to get the hydrogen out than you would get by burning the resulting hydrogen. Like water, it makes a good energy carrier, but it is not an energy source.

      If you want to find out more about bioalcohols as fuels, you should try to find out how Brazil have fared. Every new petrol-powered car sold in Brazil must run on at least 22% ethanol - this has been the law for many years - and many cars run on straight alcohol. They're also ramping up their production of biofuel-capable crops, which will probably scare the living daylights out of countries like mine that are dragging their feet on biofuels.

    3. Re:Comparable to E85? by TykeClone · · Score: 1
      Just a little correction -

      Most corn is not raised for direct human consumption - much if it is fed to animals. Diverting corn to ethanol production leaves a product called distillers grain which is a very high quality animal feed - even better than corn. Distillers Grain info

      --
      A fine is a tax you pay for doing wrong and a tax is a fine you pay for doing all right.
  27. One Problem... by Anonymous Coward · · Score: 0

    Creating biodiesel fuel uses just as much energy as it saves.

    1. Re:One Problem... by marx · · Score: 2, Interesting

      Try creating crude oil from scratch and see how much energy it requires. Hint: renewable does not mean digging stuff out of the ground and burning it. The nice thing about these types of fuels isn't that it's not energy intensive to create, it's portability.

  28. Bottlenecks by pavon · · Score: 5, Informative

    In many places biodiesel has been more expensive than regular deisel, until the recent jump in oil prices. In addition, there have been a couple of recent subsidies that have brought the price of biodiesel down at the pump. It wasn't too long ago when biodiesel was 2x the price per gallon, and not everyone has caught up to the fact that this has changed. Regardless any decrease in cost is still a great thing.

    For biodiesel created with conventional crops the bottleneck is like you said, that there isn't enough enough aritable land on the planet to create as much biodiesel as we currently use in gasoline and diesel. Algae based biodiesel solves this problem but is significantly more expensive to produce than convientional biodiesel last time I checked. Honestly though, I haven't heard about any new research in that field since the DOE Algae program was put to an end back on Clinton's watch.

    In reality there is no one solution to the problem. The solution will be a combination of an increase in biofuels, more efficient cars, more public transportation that runs off the grid, and even then transportation will likely be more expensive than we have become occustomed to transportation.

    1. Re:Bottlenecks by pz · · Score: 1

      Algae based biodiesel solves this problem but is significantly more expensive to produce than convientional biodiesel last time I checked. Honestly though, I haven't heard about any new research in that field since the DOE Algae program was put to an end back on Clinton's watch.

      I have friends working on this exact problem. Their company is called GreenFuel and they have a winning idea: take the waste heat and CO2 from the exhaust stream of conventionally fired power plants (eg, coal, natural gas) and use it to grow algae tuned to produce a high fraction of lipids. The algal output is readily converted to biodiesel. Even if it isn't super inexpensive (which by their projections it will be), it has the significant advantages of (a) using carbon twice rather than just once to produce energy in the overall cycle, therefore reducing the total CO2 load, (b) increasing the efficiencies of the plants where it's installed because it takes advantage of the waste stream, and (c) providing CO2 credits to the power companies which can be traded for cash, (d) scrubbing the exhaust gasses, thereby reducing emissions at the plant. The only drawback right now is that it requires reasonably high levels of sunlight to be effective, but they're working on that.

      --

      Put my fist through my alarm clock with its ding-dong death inside my ear. - The Blackjacks.
    2. Re:Bottlenecks by McTaggart · · Score: 1

      One other important part of any solution is a change in accepted town planning practices. The endless sprawling suburbs that surround me for kilometers in every direction pretty much require a car (or at least better public transport network than we've got) in order to move between any two significant points. More dense housing and an emphasis on pedestrian oriented central places would help to reduce our reliance on fuel. If eveything's connected by roads, everyone's going to need to use them.

    3. Re:Bottlenecks by Illender · · Score: 1

      For biodiesel created with conventional crops the bottleneck is like you said, that there isn't enough enough aritable land on the planet to create as much biodiesel as we currently use in gasoline and diesel. Algae based biodiesel solves this problem but is significantly more expensive to produce than convientional biodiesel last time I checked

                      Perhaps there is enough land and perhaps not, I don't know. What I do know is that it opens up some interesting lines of thought.

              Picture this: Man lands on Moon and builds a few Domes, maybe partially buried. Inside the dome we set up some farms, built to produce biodiesel, but as a bonus the plants also make Oxygen, a much needed item in our space-faring society.

              Thanks to [insert scientist from future here]'s revolutionary research, biodiesel can be converted cheaply to run a deep space propulsion unit, allowing manned exploration of the Solar System using fuel created in space,sometimes shipboard, along with the food and air(efficient, eh?)

              At the same time the Lichen Barrier was grown in orbit of Earth, based on the principle that lichen, a mix of algae and fungi, can survive in space for up to 2 weeks, http://www.newscientistspace.com/article.ns?id=dn8 297, and thanks again to [future scientist], the lichen can be used to produce more biofuel and medicines. As an unexpected bonus, the Lichen Barrier turns out to filter harmfull radiation from space to levels near what they would be if the Ozone layer was intact.

      Ok, maybe I've read one too many Sci-Fi novels, but it's at least worth looking at, eh?

      --
      When I rule the world, I'll have squads of flame throwers fanned out around me, and for me, winter shall cease to exist
  29. Waste oil by Anonymous Coward · · Score: 4, Funny

    I've heard that assuming you can get your hands on waste oils (such as used vegetable oils) then biodiesel is pretty cheap to manufacture. The problem is, we just don't have enough waste oil to make a dent in our reliance on foreign oil.

    Well, I've singlehandedly come up with a solution to this problem. Legislation must be put in place that requires all foodstuffs consumed in the United States to be fried. Meats, breads, veggies - it all needs to be fried. Once all food is fried, there will be plenty of waste oil to go around.

    Are you doing your part? Step away from the grill - it's the law.

    1. Re:Waste oil by Anonymous Coward · · Score: 0

      When you grill you're BBQing with Bin Laden.

  30. Usage by future+assassin · · Score: 0, Redundant

    I have a customer that shops at my store and he makes his own bio diesel at home in his garage which he uses to power his gererators.

    --
    by TheSpoom (715771) Uncaring Linux user here. I have nothing to add to this but please continue. *munches popcorn*
  31. A few more details, re: homebrewing etc. by wherley · · Score: 4, Informative

    The acid catalyst they are talking about replacing is liquid Sulphuric Acid. Most homebrewers of biodiesel, like those using an "open source" Appleseed type reactor, are not using both an acid and base catalyst, only the base being Potassium Hydroxide or Sodium Hydroxide (along with Methanol or Ethanol).
    With higher Free Fatty Acid feedstock, such as really used grease, the acid cataylst helps convert those FFAs. You can read a little more on the chemistry of
    the news item here:
    http://www.greencarcongress.com/2005/11/inexpensiv e_eff.html
    Nature abstract:
    http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd= Retrieve&db=pubmed&dopt=Abstract&list_uids=1628102 6&query_hl=3
    Another abstract:
    http://www.researchsea.com/html/article.php/aid/34 0/cid/2/research/green_chemistry__efficient_cataly st_for_making__biodiesel_.html>

    Seems this process is five times more reactive than other solid catalysts, but still 50% that of the liquid acid - however sepearation afterward would be much
    easier.

  32. But the catalyst is ALREADY cheap... by Anonymous Coward · · Score: 0
    I thought the catalyst for making biodiesel was lye (sodium hydroxide), which is already quite cheap. Cheaper than sugar, I bet.

    And someone got flamed for ranting about ethanol, but that's the other main ingredient. IIRC, transesterification goes like this:

    Lye + ethanol = sodium ethoxide (catalyst)

    Ethoxide + fat = glycerol + lye + ethyl ester of fatty acids (i.e. biodiesel)

  33. overheard conversation by martin-boundary · · Score: 1
    As recently overheard between two acids:

    "Hey fatty, don't eat that! Biodiesel Is People!"

    1. Re:overheard conversation by chronicon · · Score: 1

      Hey! I need that soylent green for my car you insensitive clods!

  34. Comment removed by account_deleted · · Score: 1

    Comment removed based on user account deletion

  35. Legacy support by einhverfr · · Score: 1

    I think that biodiesel is great in terms of support for legacy internal combustion engines, but I suspect that the cars of the future will be moving toward electric technology more and more as time goes on. The two main forms that I can see this taking now are:

    1) Hybrid engines and
    2) Fuel cell engines.

    The main reason is that electric cars are just more energy efficient. You can do things with them to increase that efficiency that you just can't (easily) do with internal combustion engines. Things like regenerative braking.

    Biodiesel is great, but I don't see it as anything more than a solution for legacy support.

    --

    LedgerSMB: Open source Accounting/ERP
    1. Re:Legacy support by Firethorn · · Score: 1

      The main reason is that electric cars are just more energy efficient. You can do things with them to increase that efficiency that you just can't (easily) do with internal combustion engines. Things like regenerative braking.

      Not so much for a semi going down the highway.

      Biodiesel is great, but I don't see it as anything more than a solution for legacy support.

      There's a distinct possibility that it'll be used for more than that. For example, there's no technical reason you can't have a diesel engine in a hybrid. Matter of fact, that's what's in modern locomotives.

      Biodiesel engines, hybrid or not, are a potential solution for long haul uses like Trains, tractors, semis, etc.

      --
      I don't read AC A human right
    2. Re:Legacy support by einhverfr · · Score: 1


      There's a distinct possibility that it'll be used for more than that. For example, there's no technical reason you can't have a diesel engine in a hybrid. Matter of fact, that's what's in modern locomotives.


      A locomotive is a little different in that you don't have a internal combustion engine providing force to the wheels. Instead you basically have a two-stage diesel generator which powers an electric motor. This is done to avoide the complex transmissions that would be necessary for a real diesel engine to work effectively in that environment.

      I think you raise a good point with semis as well. I am immediately wondering about the possibility of a gas turbine/electric engine.

      My bigger concern is that I have heard people touting diesel as a replacement for these electric technologies rather than something to be used along with the,.

      --

      LedgerSMB: Open source Accounting/ERP
    3. Re:Legacy support by Firethorn · · Score: 1

      A locomotive is a little different in that you don't have a internal combustion engine providing force to the wheels. Instead you basically have a two-stage diesel generator which powers an electric motor. This is done to avoide the complex transmissions that would be necessary for a real diesel engine to work effectively in that environment.

      While it's indeed not a 'standard' hybrid, it's still using an engine and electric motors. Addition of some batteries and you'd have an almost standard hybrid. Direct connection of the engine to the wheels is not a necessety. Indeed, not having a direct physical connection between the wheels and engine in a hybrid can vastly simplify the design.

      I think you raise a good point with semis as well. I am immediately wondering about the possibility of a gas turbine/electric engine.

      From what I remember, gas turbine/electric is what powers the abrams tank, and it's not exactly 'fuel efficient', though it provides the best ratio of size, power, and fuel flexability to be useful in a tank. Then again, if I remember right gas turbines can be tuned for more efficiency. I think you have to either sacrifice power or small size.

      My bigger concern is that I have heard people touting diesel as a replacement for these electric technologies rather than something to be used along with them.

      Well, I'll agree with this. My view is that as the price of oil increases, alternatives and conservative measures will be found and exploited. Each company, person will find their own measures.

      Do I have favorites? Well, electric looks good for local, short range deliveries. I liked the idea that didn't pan out, at least currently, for high speed/power flywheels to replace batteries. The potential advantage would have been much higher charging/discharging capability.

      Midrange, performance might be hybrid, ethanol, hydrogen fuel cell. Long range/heavy haul might be biodiesel.

      But I think that it'll be the market and the realities when the price of oil finally reaches the point that people start switching in mass.

      --
      I don't read AC A human right
    4. Re:Legacy support by joib · · Score: 1


      My bigger concern is that I have heard people touting diesel as a replacement for these electric technologies rather than something to be used along with the,.


      I don't think it's an either/or proposition. The problem with electricity and hydrogen is storage. So why not use biodiesel, or any other carbohydrate for that matter, as the energy storage medium. There are already high temperature fuel cells that can feed directly on natural gas. Give it some time and we might have fuel cells that munch on diesel fuel. Or then you can have an onboard reformer that breaks down the diesel into something the fuel cell can use.

    5. Re:Legacy support by einhverfr · · Score: 1

      Well, electric looks good for local, short range deliveries.

      Well, as long as you are talking "simple electric" that is fine. You can use it for longer ranges by using electric energy to boost the efficiency of your existing solutions. Hybrids, for example, or fuel cell hybrids.

      I suspect that working fuel cell cars will have storage cells as well where regenerative braking etc can store electricity. This would seem to me to be a fairly inexpensive way of boosting efficiency for a vehicle where the motor is electric.

      I too liked the idea of flywheels. I suspect that the real problem was recharging quickly (maybe an infrastructure issue rather than a technological issue). But again, if flywheels are a viable storage mechanism they could be used for energy storage (things like regenerative braking, etc) in place of batteries in fuel cell vehicles).

      In the end, though, I suspect that we only have five viable options for vehicle fuel: biodiesel, methanol, methane, ethanol, and hydrogen. All of these can be generated from agricultural products and general waste. Hydrogen is purely a storage mechanism, and its formation requires articial energy-intensive processes. The other fuels are actual energy collection mechanisms (think of plants as organic solar collectors and biodiesel, methanol, methane, and ethanol are the end results of extracting this collected energy).

      The ideal energy infrastructure would be multilayered, and would allow for the refining of multiple fuels from waste products. This has an important secondary benefit of further reducing greenhouse gas emissions (methane from decomposing manure is a green house gas in a way that CO2 from the burning of that methane is not becuase of the fact that the carbon cycle is closed in the latter example so it is short-lived). Those fuels not immediately useful for vehicular uses could be used on-site to generate electricity.

      I suggest that the energy policy of the future will consist of much more reuse and recycling of possible sources of energy.

      --

      LedgerSMB: Open source Accounting/ERP
  36. Between 10 and 50 times cheaper? by ichigo+2.0 · · Score: 0, Troll

    Wow! So if it used to cost 1$ it now costs -9$ to -49$? I would like 10 million units please, send the money to Mr. B.Admath!

  37. Tokyo Institute of Tech by Wingie · · Score: 3, Funny

    Should we really be trusting the research of someone from a place called TIT?

  38. Artificial Photosynthesis? by brunes69 · · Score: 1

    Has anyone ever looked at what would be the *real* solution, which would be reverse-engineering how these plants take in Sun + Co2 + minerals, and produce the oil?

    If this process could be reproduced in a lab, and then commercialized, maybe you'd be abl to generate lots of biodeisel without having to grow and harvest acres upon acres of land. If you do the math (lost trees, tractor fuel, time to harvest) many feel that biodeisel en-masse is actually more harmful to the planet than it is beneficial.

    But if biodeisel could be produced atrificially, without requiring fields of soy...

    1. Re:Artificial Photosynthesis? by arodland · · Score: 2, Informative

      We are, generally speaking, horribly bad at that sort of thing. Building up any sort of relatively big molecule is a matter of trial and error and error. And even when we do figure it out, it's usually less efficient than letting some plants or bacteria do it for us.

    2. Re:Artificial Photosynthesis? by Anonymous Coward · · Score: 1, Interesting

      This is a really cool insight. Think about this, plants are pretty effective converters, and really don't require lots to produce the oil we want. The hemp plant is a particullarly good producer of plant oil and was what Henry Ford planned to run his vehicles on.

      But more to the point. Think about restating the question... how do I keep filling up all these cars and trucks with liquid fuel? Now, if you were a business trying to make the most effecient use of limited resources, as opposed to an oil/car company trying to sell as much dependance as you could. You might come to the conclusion that having all these cars around, and trying to fill them up every couple of days with 20 gallons of fuel may not be the best use of a limited resource... don't even get me started on trucking most food 1500 miles by truck!! Eat something out the backyard for Pete's sake.

      Summary: The problem you are trying to fix with biofuels is a lossing proposition. Find another way or reality is going to kick your ass.

    3. Re:Artificial Photosynthesis? by robotkid · · Score: 1
      So there's a tree called the Copaifera that grows in brazil that, when tapped, produces 40+ liters of biodiesel sap a year with minimal processing. Of course, growing our own rainforest is probably not a very efficient or practical way to solve our energy needs.

      If, however, the pathway of genes responsible for creating the sap can be isolated and cloned into a plant more suitable for crop farming, that would be mind-bogglingly cool. So in that sense some serious biotech tinkering is certainly in order.

      But in terms of reverse engineering how a plant actually does photosynthesis, plant physiologists and biophysicists have been doing this for years and basically it appears to be so complex and highly tuned it's unlikely we can outdesign billions of years of selection for efficiency.

      That said it's so tempting to think about optimizing it (at least for me). The enzyme that actually does the carbon fixation is called RuBisCo, arguably the most important enzyme on the entire planet, and its a really, really lousy enzyme. Its a protein of molecular weight ~5,000,000 which can process a lousy 3 CO2 molecules per second. The only reason plants can grow at all is by brute force, something like 60% of the dry weight of a plant is rubisco. If we could make it just a bit more efficient . . .

      It is interesting to note the biochemistry of carbon fixation was discovered by the nobel laureate Melvin Calvin (which is why it's called the calvin cycle). He was also one of the pioneer researchers of Copaifera trees as a source of biodiesel, and dreamed of splicing the genes into weeds to solve our dependence on foreign oil. Sadly I've seen very little work published about this since his death in 1997.

  39. why does this really matter? by YesIAmAScript · · Score: 1

    Catalysts are not consumed in production (by definition). So, it's just a startup cost, not a production cost.

    Personally, I'm a little suspicious as to whether this is truly a catalyst or a consumeable.

    --
    http://lkml.org/lkml/2005/8/20/95
    1. Re:why does this really matter? by NatasRevol · · Score: 1

      Wow, +1 Confused? Have you ever been to a chemistry class? The catalyst is to allow production to happen, not just at the beginning but throughout the length of the conversion.

      --
      There are two types of people in the world: Those who crave closure
    2. Re:why does this really matter? by enrgeeman · · Score: 1

      you may have dozed off for a moment. a catalyst aids in the reaction, meaning that the reaction can still take place without it being there, it's just that the catalyst makes it more efficent.

      --
      sent from my slashdot browser.
  40. Farmland war? by tepples · · Score: 1

    But more importantly, if this product has a chance to avoids a war over oil, its worth a lot more than more acres of land being used.

    So far we've seen World War I (Ententes vs Centrals), then World War II (Allies vs Axis), then World War III (West vs Soviet Bloc), and now World War IV (West vs terrorist states). Will World War V be fought over farmland?

    1. Re:Farmland war? by toetagger1 · · Score: 1

      Not that I like to go along with your week argument, but if you have scarce resources around energy (oil), fresh water, or land, land seems the least likely to me. Free trade arrangements make war over territory for agricultural benefits pointless, because you could just offer 10% more for the whatever it is you want to buy to get it, instead of spending a fortune on a war. With water and energy, free trade isn't as simple, because there is no free trade (OPEC with oil, and water can be too scarce in the future to have enough for everyone).

      And to preempt the next argument that increased agriculture will require more water, thas is correct, and it becomes important to make the best use of fresh water by smarter irrigation systems. Nothing here that can't be solved.

      --
      who | grep -i blond | date cd ~; unzip; touch; strip; finger; mount; gasp; yes; uptime; umount; sleep
  41. Is this scalable? by mikapc · · Score: 1

    The question I would have is how much vegetable oil do we have to process into biodiesel? It's a great idea but if everyone started doing it would we have anywhere near the amount vegetable oil required to power the millions of vehicles on the road?

    1. Re:Is this scalable? by chronicon · · Score: 1
      The question I would have is how much vegetable oil do we have to process into biodiesel? It's a great idea but if everyone started doing it would we have anywhere near the amount vegetable oil required to power the millions of vehicles on the road?

      The answer by all accounts is no. For example:

      Biofuels such as biodiesel, ethanol, methanol etc. are great, but only in small doses. Biofuels are all grown with massive fossil fuel inputs (pesticides and fertilizers) and suffer from horribly low, sometimes negative, EROEIs [energy returned on energy invested]. The production of ethanol, for instance, requires six units of energy to produce just one. That means it consumes more energy than it produces and thus will only serve to compound our energy deficit. In addition, there is the problem of where to grow the stuff, as we are rapidly running out of arable land on which to grow food, let alone fuel. This is no small problem as the amount of land it takes to grow even a small amount of biofuel is quite staggering. As journalist Lee Dye points out in a July 2004 article entitled "Old Policies Make Shift From Foreign Oil Tough:"
      . . . relying on corn for our future energy needs would devastate the nation's food production. It takes 11 acres to grow enough corn to fuel one automobile with ethanol for 10,000 miles, or about a year's driving, Pimentel says. That's the amount of land needed to feed seven persons for the same period of time.

      And if we decided to power all of our automobiles with ethanol, we would need to cover 97 percent of our land with corn, he adds.

    2. Re:Is this scalable? by TykeClone · · Score: 1
      2.6 gallons of ethanol are produced from 1 bushel of corn. If you figure the average car gets 20mpg with gasoline, and then knock off a bit for the lower energy density of ethanol - figure you need 700 gallons or so of ethanol to get you your 10,000 miles.

      That implies you need about 270 bushels of corn to produce the fuel for your vehicle for a year.

      On a decent year, corn yields about 250 bushels per acre.

      --
      A fine is a tax you pay for doing wrong and a tax is a fine you pay for doing all right.
    3. Re:Is this scalable? by chronicon · · Score: 1
      2.6 gallons of ethanol are produced from 1 bushel of corn. If you figure the average car gets 20mpg with gasoline, and then knock off a bit for the lower energy density of ethanol - figure you need 700 gallons or so of ethanol to get you your 10,000 miles.

      That implies you need about 270 bushels of corn to produce the fuel for your vehicle for a year.

      On a decent year, corn yields about 250 bushels per acre.

      Opps, sorry I didn't get all the quote in there with regards to biodiesel:

      Biodiesel is considerably better than ethanol, but with an EROEI of three, it still doesn't compare to oil, which has had an EROEI of about 30.

      Regarding ethanol, this April 2005 article claims it takes 6 energy units to produce just 1 unit of ethanol energy. If that is correct you can see why biodiesel would be much preferred over ethanol, but even so it would simply not be an effective replacement for oil.

      These guys factor in the energy requirements from planting, fertilizing, harvesting, processing, transporting, etc.

    4. Re:Is this scalable? by TykeClone · · Score: 1
      The entire crop isn't used for ethanol production - there is a sizeable portion of what's left that is called distillers grains. These are a high-protein animal feed that is as good or better than "straight corn" for feeding animals.

      Not sure about those guys, but often when you see these studies, those doing the study neglect the fact that there are useful byproducts of ethanol production that do help its return on energy investment.

      BTW - a substantial portion of the fertilizer energy cost is in the production of anhydrous ammonia - a particularly nasty, but necessary, fertilizer that fixes nitrogen in the soil. I did read recently that there are studies afoot to produce that by using crop residue instead of natural gas - that will also help with the return on energy.

      Lastly - some of the energy investment of the corn (or soybean or rapeseed if tlaking biodeisel) crop should probably be discounted - those crops are grown and transported anyway. At this point, it's probably ok just to count the differential for converting the crop to fuel against it.

      --
      A fine is a tax you pay for doing wrong and a tax is a fine you pay for doing all right.
  42. Doesnt help by Mike_ya · · Score: 2, Insightful

    Sorry, don't see this as a solution for anything. Right now we have the tree huggers complaining about us using fossil fuels in our evil SUVs. At the same time other leftist groups complaining that farmers are growing grain to feed to cows so we can eat meat. If that food was used for direct human consumption it could help end world hunger, or something like that. With biodiesel the argument would be we are growing food to power our evil SUVs instead of feeding people. Some people would not like it.

    1. Re:Doesnt help by t_allardyce · · Score: 1

      Perhaps not driving low mileage, heavy polluting, dangerous trucks around is the answer? I've heard that some of the more centered liberals talk of a strange model of car that allows multiple people to ride in it but achieves rather better mileage than an SUV. I've also heard people talking about other actions which reduce the number of cars on the road, thus reducing congestion, and pollution, methods range from 'car pooling' to 'public transport' to 'getting off your fat ass and walking to the shop to pick up one thing and then walking home again'.

      Of course the absolute number-one reason for switching to bio diesel - Saudi 'sand-hole' Arabia will now have absolutely no value on the face of this earth, and the savage, wife-beating, adulterer stoning, freaks that call themselves the rulers of this 'supposedly' holy land will actually have to think of real things to do as opposed to watching foreign technicians pumping shit out of the ground all day because they are too fucking stupid to do it themselves. I only hope their vast wealth and influence in western economies falters like their flaccid dicks, unable to recover from the laughter of economists the world over, and of the United States government, pointing and staring shouting "ha ha, your money isn't worth shit anymore, we don't need to pretend to like you any longer, we're taking our fighter planes, our engineers and your sluts and leaving you to sit in your own slimy worthless goo."

      --
      This comment does not represent the views or opinions of the user.
    2. Re:Doesnt help by ajs318 · · Score: 1

      The problem is that these people are in complete denial about their own mortality. They don't know about the harsh realities of nature; they just see animals as cute and fluffy and not nice to kill. Sure -- meat is inefficient, but it still compares favourably with the production of the soya- and mushroom-based meat substitutes favoured by the trendy-veggies.

      I say you should take your trendy-veggie friends for a day out on a real working farm and let them get bitten by cows, chased by pigs and pecked by chickens until they feel the desire for revenge without compunction.

      --
      Je fume. Tu fumes. Nous fûmes!
    3. Re:Doesnt help by bunco · · Score: 1

      The mash left behind from ethanol production from corn can be fed to cattle. Everyone wins. I suspect a similar win-win situation could be found in bioD farming.

  43. Bursting bubbles... by benjamindees · · Score: 2, Insightful

    And that's why he said "on a $/watt basis."

    --
    "I assumed blithely that there were no elves out there in the darkness"
  44. great! by digitallysick · · Score: 1

    Im glad to see they are trying new things, hopefully even small advances in different types of fuel might even cut down on fossil fuels, bio disel seems like a great idea, i just have no idea how they could ever produce enough of it for everyone.

  45. MOD PARENT SIDEWAYS!!! by Anonymous Coward · · Score: 0

    Because that shit is hilarious, and mostly true. Asians use a lot of oil, or at least, in the States they do. The vast majority of Oriental/Asian restaurants, in the States, sell their used cooking oil to people that intend to burn it in their cars (after filtering it, of course!).

    You might disagree with the parents use of "chinks" and "shitty food", but 40 year old Soviet Cars is pretty close to what they use in Mongolia and Mayanmar.

  46. there isn't enough enough aritable land on the planet to create as much biodiesel as we currently use in gasoline and diesel.

    Who says we need to put the manfacturing plants and facilities on earth? Growing algae requires what, minerals, sunlight, and water. Surely the moon or similar body up there contains enough minerals, the water might be a bit tricky but if we can divert a comet or something similar, you can put a massive orbital facility around the earth and drop the refined biodiesel into the sea for collection by tankers.

    It does need a lot of effort and investment to get it going, but think what you are doing; permanently replacing the entire petrochemicals fuel industry. There is no practical limit on the amount of the stuff you can produce, given sufficient raw materials (infinite fuel anyone? might solve the energy crisis while we're at it). While you're up there, you could branch off into pharmacuticals, lower cost foodstuff, and who knows what else.

    1. Re:Space by daft_one · · Score: 2, Funny

      Speaking of "pharmacuticals"... I'll have what you're having.

    2. Re:Space by Shihar · · Score: 1

      Um... yeah... that is a great idea and all, but I can think of a better one. Earth is not hard up for space to put stuff. Last time I checked, a solid 80% of the earth is completely untouched in the form of the poles and the oceans. I imagine a floating hydroponics farm is much much much much much cheaper then one in space in every single way.

      The real issue arable land. The earth has more space then we know what to do with. The issue is that a lot of that space is worthless for farming. Hydroponics can take care of that, but hydroponics is surprisingly hard. Replicating the work nature has done in terms of producing a fertile place to grow something proven to be extremely challenging. We are certainly getting better at it, but we still have a long way to grow before we can get to the point where we can grow things anywhere, regardless it is in space, floating in a greenhouse on the ocean, or in Canada.

  47. Why? by elucido · · Score: 1

    Why focus on biodiesel when theres hydrogen fuel cells?

    Not to mention, the money isnt in production, its in laying the foundation. Just microfinance or buy stock in foreign companies. This way Americans profit along side the third world. I see it as a win win situation.

    1. Re:Why? by tmasssey · · Score: 2, Informative
      And where, exactly, does the hydrogen come from? You can't grow it, you can't mine it, and you can only pump it out of the ground in the form of...

      Oil!

      Hydrogen is a *vehicle* for energy. The energy has to come from *somewhere*...

    2. Re:Why? by Hephaestus · · Score: 0, Redundant

      Um no. You could always make Hydrogen by electrolyzing water with solar, wind (or nuclear) generated electricity. In that case you have either ZERO pollution, or with nuclear well contained waste to bury. You get back the water you started with; and the consumption & generation of Oxygen remain in parity.

    3. Re:Why? by An+Onerous+Coward · · Score: 1

      Yes, it has to be derived from an energy source. But the point is, it can be derived from *any* energy source. Just add water, or any sort of organic matter.

      Where are you getting "it has to come from oil?"

      --

      You want the truthiness? You can't handle the truthiness!

    4. Re:Why? by Kadin2048 · · Score: 1

      The biggest problem with hydrogen is the distribution network. Biodiesel can be taken from refineries to the consumer using the current delivery systems, which are all designed around volatile liquid fuels. (Actually they'd be overkill for biodiesel, which isn't really even very volatile.) The only thing you'd need to do is keep it from getting cold, since the gel-point is much higher than gasoline or conventional diesel. This is nontrivial in higher climates, but it's still nothing compared to the problems that you'd have switching from a liquid to a compressed-gas fuel. Especially one that's tough to liquefy at high pressure like H2 -- you can't even use the same technology that you'd use for natural gas or propane.

      Also, biodiesel is an honest-to-god energy SOURCE for transportation (okay, technically it's stored solar), but it doesn't require a massive manmade energy input like hydrogen does. The "hydrogen economy" people are talking about usually rests on one of two source options: either crack natural gas to make hydrogen, or use electricity (from fossil fuels or nuclear, because they're the only practical sources that produce enough power) to crack water.

      Perhaps less importantly in the long view, but critical in the short term, is that biodiesel works in conventional reciprocating-piston, internal combustion engines without huge amounts of retooling, new development work, or restrictive patents or licensing. Pretty much any auto shop in the world can convert a diesel car to run on biodiesel, if there was a demand for it. And the production lines which make gasoline engines now could easily be changed over to making diesel ones with far more ease than they could make fuel cells or electric motors.

      The difference between hydrogen and biodiesel is one of time-scale. Hydrogen is a good idea from a long-term perspective, where creating a new distribution network from scratch and scrapping every car and truck on the road can just be written off as "conversion difficulties", but in the short run they're deal-breakers. That's where biodiesel starts to look really good.

      --
      "Ladies and gentlemen, my killbot features Lotus Notes and a machine gun. It is the finest available."
    5. Re:Why? by tmasssey · · Score: 1
      You are correct. I'm not saying that it *has* to come from oil. But, in the next 10 to 20 years, where is the energy for electrolysis going to come from? Solar? Nuclear? Or petroleum?

      I'm not saying it can't be done. But which is easier: getting people to put biodiesel into their cars/houses/power plants *exactly* like they currently put diesel, or getting literally *everything* to convert to a completely new infrastructure, from power production to distribution to usage?

      The original poster said something like "Why worry about biodiesel when there's hydrogen?" My question is: Where is the hydrogen? Show me hydrogen that didn't come from petroleum in the first place!

      Again, hydrogen is a *vehicle*. It's a way of storing huge amounts of energy in a very small space: far better than batteries. It is not an energy *source*. Biodiesel is an energy *source*. There is a *huge* difference between these.

      And for the record, they're not mutually exclusive. How about biodiesel-fired plants producing hydrogen? Solar-powered energy in conventional powerplants. Again: biodiesel as energy source, hydrogen as energy storage.

    6. Re:Why? by tmasssey · · Score: 1
      Each of these is converting electricty (a form of energy) into a different form of energy (hydrogen). You still have to get the energy from somewhere. And you will never, ever, end up with more energy than it took you to get the hydrogen in the first place. There's no such thing as producing energy from hydrogen. Whatever energy you get from it you had to have gotten from some earlier source, with a guaranteed amount of energy loss.

      The production of petrleum is different. It is truly producing energy: you pump it out of the ground and you've got tremendous energy for almost no energy spent. However, in the case of biodiesel, there is more work involved: you have to grow the crops, you have to process them into oil, and you have to convert the oil into a more useful substance, like biodiesel. So the amount of energy used to produce the crops must be factored in. However, unlike conversion of other power into hydrogen, there *is* a source of energy along the way: the oil produced by the plant. So what you're hoping is that more usable energy comes out of making biodiesel than went in. The fact that this is even possible puts it worlds ahead of hydrogen as an energy "source".

      Hydrogen is not an energy source. Never ever. It is an energy *vehicle*. That energy had to come from somewhere. In the case of biodiesel (and petroleum, for that matter), it comes for "free" from plants and photosynthesis. For hydrogen, it comes from the production of electricity, which had to come from somewhere else, so why not use the original source directly, instead of wasting 40% of the energy in producing electricity, and then 40% of the power in producing hydrogen?

    7. Re:Why? by Hephaestus · · Score: 1

      >"Hydrogen is not an energy source. Never ever."

      With respect, I never suggested that it was. Clearly you do need to make the Hydrogen in the first place; but this can be done (as I said) using pollution-free renewable energy sources or nuclear power. The point is that unlike burning fossil fuels there is no release of Carbon Dioxide associated with Hydrogen fuel-cells. Biodiesel is clearly carbon neutral (assuming that the processing is done with carbon-free or carbon-neutral energy); oil from the ground is not.

      >"For hydrogen, it comes from the production of electricity, which had to come from somewhere else, so why not use the original source directly,
      >instead of wasting 40% of the energy in producing electricity, and then 40% of the power in producing hydrogen?"


      Because in order to make use the energy to power a vehicle it obviously needs to be stored on-board that vehicle. In terms of energy density -batteries are a very poor way to store electricity. That's why battery only cars generally have such limited ranges. Hydrogen on the other hand, is a much denser energy store. If I recall my freshman physics correctly it's less dense than gasoline, but it's quite close.

      Hydrogen also has the advantage over batteries that the vehicle can be refueled with Hydrogen, much more quickly than you current battery technology will permit you recharge batteries.

    8. Re:Why? by mpe · · Score: 1

      Why focus on biodiesel when theres hydrogen fuel cells?

      Because we already have lots of diesel engines around. As well as the infrastructure to fuel diesel vehicles.
      Bio-diesel is a subsitute for petro-diesel, regardless of the size or type of vehicle involved. Whilst it might be possible build (from scratch) a hydrogen fuel cell car, subject to the same problem that Frau Berta Benz encountered. There's rather a lack of fuel cell trucks, rail locomotives, buses, let alone container ships.

    9. Re:Why? by mpe · · Score: 1

      You could always make Hydrogen by electrolyzing water with solar, wind (or nuclear) generated electricity.

      Or you could take the same water add waste plant or animal material together with bacteria. Thus producing methane. By having this reaction occur in sealed reactor, rather than in a landfill, the result is a useful fuel as opposed to a polluting "greenhouse gas".

    10. Re:Why? by mpe · · Score: 1

      The production of petrleum is different. It is truly producing energy: you pump it out of the ground and you've got tremendous energy for almost no energy spent.

      Actually you have quite a bit of energy involved in extracting oil. Including finding the stuff in the first place, building the machines used (which include some of the largest structures ever built), drilling holes in the ground, etc.

      However, in the case of biodiesel, there is more work involved: you have to grow the crops, you have to process them into oil, and you have to convert the oil into a more useful substance, like biodiesel.

      Hence there being quite a lot of interest in using waste oil. Typically frying oil from commercial kitchens.

    11. Re:Why? by spammyd · · Score: 1

      they were making hydrogen for use in homes for dacades and decades, it was called (water gas) or nowadays (syngas) the reaction is C + H2O -> H2 + C0 -> C0 + H2O -> H2 + CO2 so the input is 1 atom of carbon added to 2 water molecules leads to 2 H2 and 1 CO2 the reaction was hugely used in gaslights because of the hotter hydrogen flame

    12. Re:Why? by mpe · · Score: 1

      Biodiesel can be taken from refineries to the consumer using the current delivery systems, which are all designed around volatile liquid fuels. (Actually they'd be overkill for biodiesel, which isn't really even very volatile.) The only thing you'd need to do is keep it from getting cold, since the gel-point is much higher than gasoline or conventional diesel.

      Maybe there is something you can add as an "anti-freeze". e.g. petro-diesel or an alcohol.

      And the production lines which make gasoline engines now could easily be changed over to making diesel ones with far more ease than they could make fuel cells or electric motors.

      Car manufacturers already make diesel cars so their engine suppliers undoubtedly already made diesel engines. As for any concerns about performance the solution is to get the likes of FIA involved.

    13. Re:Why? by Hephaestus · · Score: 1

      That is very true; and CO2 is a less effective greenhouse gas than CH4.

    14. Re:Why? by tmasssey · · Score: 1
      C + H20 is an endothermic reaction. So where is the energy going to come from to make the reaction happen?

      Again, say it with me: Hydrogen is not a source of energy. It is an energy vehicle. We have to *make* hydrogen, and that takes energy.

      Gasoline is an energy vehicle, too. But it's an energy source: we don't have to make gasoline. It comes out of the ground, we heat it a bit to separate it from all the other gunk and we burn it. Yes, it takes energy to do that (like a sibling poster pointed out), but *far* less than it takes to make it. That's what makes it an energy source. That's why it's called refinement, not production!

      You can't "refine" water and get syngas. You *can* refine coal, petroleum, methane and any other type of hydrocarbon and get syngas (or hydrogen or whatever you want). But then you might as well have used the coal or petroleum or methane directly. The only reason you would go the syngas route is for some other non-energy reason (lower pollution in the case of coal gassification, for example). Again, in that case, hydrogen is playing the role of energy *vehicle*, not *source*.

      Hydrogen is never, ever, ever an energy source. Ever. Biodiesel is, or at least might be: at least there's an energy source involved (the sun, through the plant's oil). In the electrolysis of water (with or without the addtion of that Carbon atom), there is no energy source that we couldn't have used more directly without the sidestep through hydrogen. Unless the *vehicle* nature of hydrogen (such as its energy density) makes it useful.

    15. Re:Why? by vivian · · Score: 1

      In the case of biodiesel (and petroleum, for that matter), it comes for "free" from plants and photosynthesis.
      What we really have to look at is the efficiency of biofuel production for energy vs direct solar energyh collection.

      In both cases, the upper limit on the amount of energy that can be generated in this manner is limited by the solar flux density per meter - about 1.3kW per square meter at the equator.

      So the case for biofuels vs solar/electric/hydrolosis comes down to how efficient it is to grow a crop for oil, and convert that crop into fuel, compared to having the same area covered by a more direct solar collector such as solar panels or solar furnaces / solar towers to create electricity/hydrogen.
      Solar panels are about 20% efficient now, with room for improvement and almost no further capital or labor investment after they have been set up, for at least 20 years. Solar towers and other solar/thermal methods are possibly more efficient.
      What are the capital and labor investment requirements and efficiency of growing corn, and converting it to fuel then to electricity? The other consideration is that of course biofuels require the use of productive land, which should be accounted for in the capital cost comparison.

    16. Re:Why? by tmasssey · · Score: 1
      An excellent thought. An apples-to-apples comparison of energy production techniques.

      Good luck getting it, though, with every special interest having their own hobby horse (and creative accountants!)...

  48. There are many different powers by elucido · · Score: 1

    Solar, Hydrogen fuel cell, wind power, water power, even gravity power, but in general, each method is workable in certain environments. It does make sense to grow certain things in the tropics, just like it makes sense to build certain parts in China, or to buy shares in America.

    Energy is profitable in general for everyone if the industry is greatly expanded.

  49. Price of Biodiesel by schneidafunk · · Score: 1

    Living in the Bay Area of San Fran., I recently went to a biodiesel conference. I was a bit disappointed at the unorganized manner of the speakers. They talked down on the idea of a large scale corporation creating biodiesel. I am in favor of this idea, as it would drive down costs. The cheapest I've seen biodiesel is $3.17 a gallon. However, gas prices are approaching that price. In fact, I've seen gas for as much as $3.50 a gallon in downtown San Fran. Regardless, this study states biodiesel requires more energy to create than it produces.

    http://www.news.cornell.edu/stories/July05/ethan ol.toocostly.ssl.html

    From article:

    "In terms of energy output compared with energy input for ethanol production, the study found that:
    * Corn requires 29% more fossil energy than the fuel produced;
    * Switch grass requires 45% more fossil energy than the fuel produced;
    * Wood biomass requires 57% more fossil energy than the fuel produced.

    In terms of energy output compared with the energy input for biodiesel production, the study found that:
    * Soybean plants requires 27% more fossil energy than the fuel produced;
    * Sunflower plants requires 118% more fossil energy than the fuel produced.

    In assessing inputs, the researchers considered such factors as the energy used in producing the crop (including production of pesticides and fertilizer, running farm machinery and irrigating, grinding and transporting the crop) and in fermenting/distilling the ethanol from the water mix."

    --
    Some people die at 25 and aren't buried until 75. -Benjamin Franklin
  50. The only obvious answer... by Auraiken · · Score: 1

    YES!!11 !! -smacks you upside the head-

  51. Patent? by homebrewmike · · Score: 1

    Any chance the process will be patented?

    Hmmmm, perhaps a little civil disobedience might be a good thing.

  52. Manufacturing lye and methanol uses fossil fuels.. by Ellis+D.+Tripp · · Score: 2, Informative

    Lye (sodium hydroxide) is made commercially through the electrolysis of brine, as a byproduct of chlorine production (the "chloralkali process"). The process consumes massive amounts of electricity (primarily produced by burning coal), and the chlorine compounds themselves include many nasty environmental pollutants.

    Methanol is produced from methane, AKA natural gas.

    So the 2 chemicals needed to produce biodiesel (and reduce fossil fuel use) both depend on fossil fuels for their production.

    The biodiesel production process generates as a byproduct a substantial amount of glycerin contaminated with lye and unreacted sodium methoxide. What is to be done with this stuff, and how much energy is needed to dispose of it or purify it for commercial use?

    --
    Remember "News for Nerds, Stuff that Matters"? Help make it a reality again! http://soylentnews.org
  53. Benefits of spending all day surfing the web... by benjamindees · · Score: 1

    It's happening, though you have to start with more fundamental processes and work your way up. Basically if you can make hydrogen and carbon monoxide, you can make anything.

    --
    "I assumed blithely that there were no elves out there in the darkness"
  54. necessity of exporting? maybe not... by zogger · · Score: 5, Interesting

    The development of other fuels will not negate the usefullness or use of traditional petroleum. Nations that are oil rich will continue to use the fuel,especially if it is their primary natural resource, even if their export market diminishes. And especially then, with no imported cash from exported oil, they would be literally forced to directly use the oil themselves to the best of their ability. And it is quite possible that as the islamic world (if we want to limit the discussion to there) matures (most are under the age of 30 right now), they will want their own manufacturing and other islamo-centrist based business, rather than purchasing products from other areas. Necessity *and* desire at that point. You have to remember, petroleum is not only a transporation medium, it is also critical -today at least- for manufacturing.

    With that said, I heartily welcome more R and D and deployment of biofuels. But older fuels are still used, I am using "stored solar"-wood-as my primary residential heating source, same as humans have been doing for millenia. We have a "domestic supply" and it is quite significant enough for our needs, hence no need to "export cash" to purchase someone elses developed energy product, nor do we need to "export the raw materials" for anyone else to use. That's a micro scale, macro between nations is just "larger".

    Humans will use up the available petroleum, biofuels becoming massively more available or not. The use will only drop when it gets closer to a stasis point, when it takes one "barrel of energy" to produce an identical barrel of energy. Then it will stop.

    1. Re:necessity of exporting? maybe not... by maomoondog · · Score: 4, Insightful

      Burning is the crudest possible use of petroleum. Petroleum based materials exploit the complex molecules left in hydrocarbons by life processes in a much more important way: as structural features. It costs orders of magnitude more energy to synthetically create that kind of structure than we can generate by burning it to release that bond-energy. However, today's energy is considered more valuable than tomorrow's plastic, so we just blow the stuff up.

      I agree that petroleum will be exhausted, regardless of alternatives. But hopefully finding new energy sources will let us use it in much more far-sighted ways. This should be right up there in the benefits list, alongside environmental advantages and the opening of foreign policy options.

  55. AMEN! by Anonymous Coward · · Score: 0

    MOD PARENT DOWN TO HELL!

  56. Ugh... by benjamindees · · Score: 1

    Not to mention that you need to cart around those hydrocarbons in a vehicle, generally, whereas electricity can be transported at significantly less cost (both in terms of efficiency and in terms of dollars).

    What are you talking about? How do you propose to transport *electricity* at less cost than hydrocarbons? Batteries?

    As for efficiency, it means almost nothing next to actual cost. Play around with this spreadsheet for a while if you don't believe me. It compares the cost of storing electricity from wind generators, in lead acid batteries versus converting (through "inefficient" processes) to either hydrogen or methanol, and back to electricity by burning in an internal combustion engine and generator. The "inefficiency" of all those conversions is made up for by simply using more wind generators to produce more electricity. See which one is cheaper.

    --
    "I assumed blithely that there were no elves out there in the darkness"
    1. Re:Ugh... by syukton · · Score: 1
      What are you talking about? How do you propose to transport *electricity* at less cost than hydrocarbons? Batteries?
      Uh, powerlines? You know, the way we transport electricity now?
      --
      Reinvent the wheel only at either a lower cost, greater effectiveness, or your own personal enrichment and satisfaction.
    2. Re:Ugh... by Firethorn · · Score: 1

      There is a limit to how many windmills you can build and maintain economically. And if nothing else, you can grow soybeans or whatever else makes good biodiesel or ethanol underneath the windmills.

      I'm always for researching various options. Making the manufacture of biodiesel cheaper, and by the sound of it, more enviromentally safe, moves us that much closer to independance from our dependance on oil, much less foreign oil produced by countries that love our money while hating us.

      As far as windmill power goes, I've said it before, but I'd love to see a national PRT system implemented. Removing the inefficiencies of batteries from the electrical system would be a major plus. Additionally, I'd love to be able to zip around and visit my parents without having to drive. I'm right at the point that they're about equal times, but driving is 1/4 the cost, even with today's gas prices. With a good book or something an 8 hour trip(at 100mph) wouldn't be bad.

      --
      I don't read AC A human right
    3. Re:Ugh... by Mortlath · · Score: 1
      Until we develop cheap super-conductors, we will continue to lose power from the resistance inherent in the wires used to transport the electricity. Power companies try to raise the voltages across the wires as much as possible to reduce the power lost by resistance, but after a certain point, the air will ionize.

      The farther the electricity has to travel by power line, the more energy we lose.

  57. Re:Is this scalable? - So What?! by Anonymous Coward · · Score: 0



    It irritates me when short-sighted people get distracted by this red herring.

    Does it really matter if we can make enough for everyone to completely, totally, 100% convert?

    So what if we can only provide for 50%? We just cut pollution by 50%. We increased our petroleum reserves by 2x. We just decreased our dependence on foreign oil by 1/2. We just provided a major boost to our farmers and other aspects of our internal economy.

    Oh, but we can't convert 100%???? We'd better just throw it all away, and not do anything! I hear this same BS constantly about solar & wind & other alternate energy sources.

    rho

  58. French fries!! by $exyNerdie · · Score: 1

    First the rise in gas prices and then the rise in the prices of french fries and potato chips!! Well, at least that will do some good to the American health...

  59. Not a Problem with Algae Based Biodiesel by StCredZero · · Score: 1

    Not a problem if we use algae as the feedstock. We can use non-arable land, salt water, and sewage to grow the algae. And since it has a conversion efficiency several times higher than soybeans, it becomes feasible to supply *ALL* of the vehicular energy needs of the US using biodiesel.

    http://www.unh.edu/p2/biodiesel/article_alge.html

  60. Truly NOT +4 Insightful by Burz · · Score: 2, Insightful

    Where do I sign up? Oh, it's one of those "This technology will be really cool when it becomes available in 10-15 years" stories, huh?

    Biodiesel is already a good business and has seen exponential growth in the US for the past 5 years (nearly doubling in output each year).

    Why aren't you growing it? I don't know. But I'm fueling up with it.

    In absolute terms, the volume is still but a dent in our energy supply. But then there is also that "square state" interest resulting in Minnesota mandating a 2% minimum blend of biodiesel in all diesel sold. In Germany, nearly 5% of all diesel-type fuel sold is biodiesel. As alternative energy goes, that's one heck of a gain especially when you consider the very favorable energy balance associated w/the bioidiesel lifecycle.

  61. Mods need a clue here. by Burz · · Score: 2, Insightful

    What does your link have to do with biodiesel? That whole article concerns running a different fuel, petroleum diesel.

    OTOH if you had even Googled "biodiesel carcinogens" you would know that one of the benefits of BD is exhaust that is 90% less carcinogenic than exhaust from petro-diesel. One of the reasons its less toxic is because BD reduces particulates and unburned hydrocarbons.

    The main downfall of BD at the tailpipe is NOX, and even then only a slight increase. It can be argued that reducing unbuned hydrocarbons, even with a 5% bump in NOX output, has a net positive effect as far as ozone and smog are concerned.

  62. Take a second and think. by Andy+Dodd · · Score: 1

    Do you think ANY car manufacturer is going to sell a vehicle with as many limitations as an SVO vehicle?

    This article isn't talking about small-scale single-vehicle uses. This is talking about people with the goal of replacement of diesel with an alternative in mass quantities. SVO-capable vehicles don't fall anywhere close to this category. Standard diesel engines already have enough trouble with market acceptance in the U.S. due to perceived issues with reliable starting in cold weather, let alone vehicles that have MORE trouble with cold-weather operation.

    --
    retrorocket.o not found, launch anyway?
  63. Old Fry Old by hhawk · · Score: 1

    I have a burger joint.. My old fry oil goes to my Neon Sign guy -> http://www.litebriteneon.com/ who runs his desiel car on it... I think he just runs it as is (after a good filtering..).

    He gets my old oil for free... New veggie oil costs me about $3-$4 a gallon..

    --
    http://www.hawknest.com/
  64. Fertilizer? by Rhinobird · · Score: 1
    The *real question* is, how much energy from fertilizer does it take to make this biodiesel? I'd understood that to be the big expense (along with the water,) and not the processing, but I could be mistaken.

    I guess we'll have to mulch all of our garbage and sewage to be able to grow all the fuel we need. As long as it goes to growing fuel, instead of food, there shouldn't be as big a risk for disease. Plus, it'll help deal with our trash instead of just burying it for future archeologists to uncover.
    --
    If Mr. Edison had thought smarter he wouldn't sweat as much. --Nikola Tesla
    1. Re:Fertilizer? by NaruVonWilkins · · Score: 1

      Actually, many biofuel crops are nitrogen fixers. You wouldn't even need fertilizer if you rotated crops correctly.

  65. Spaced by ColdWetDog · · Score: 1

    Nah, it's just an Apple Reality Distortion field. You can get those anywhere.

    --
    Faster! Faster! Faster would be better!
  66. Efficiency. by Grendel+Drago · · Score: 1

    Well, algae ponds should be pretty good for that. Some folks from UNH are saying that you can yield biodiesel from algae at a rate that would imply, by my math, efficiencies of 13 to 26 percent.

    And while it's plausible to grow algae ponds over thousands of square miles, it's less plausible to stick chips of difficult to manufacture, energy-intensive silicon over that same area. Not to mention that the energy comes out in an easy-to-use form that our current transportation infrastructure can make use of.

    Although the Stirling solar looks quite promising. We'll see how the installation in California comes out.

    --
    Laws do not persuade just because they threaten. --Seneca
  67. So, let me get this straight... by XB-70 · · Score: 0, Offtopic

    I can rub the stuff all over, have wild monkey-sex AND run my car??

    --
    *** Don't be dull.***
  68. Didn't the US do this first? by harrypelles · · Score: 0

    I swear I remember seeing this on an episode of "Dirty Jobs" (discovery channel) not too long ago. Some guy took dirty grease off of mexican restaurants and such once a week or so and turned it into fuel. Pretty cool episode.

    http://dsc.discovery.com/fansites/dirtyjobs/dirtyj obs.html

    1. Re:Didn't the US do this first? by abdulwahid · · Score: 1

      This sort of thing has been done for ages. There are many enthusiasts around that drive car s from waste oil from fried food shops etc. What is different here is the cheap way of producing the catalyst which could make this something that could be done on a massive scale without the normal huge costs of mass producing the catalyst. However, don't get too excited about this technology as it has a long way to go. The main problem of it is the inefficiency. To mass produce means mass farming. Which means agricutural equipement that needs to run on, yes you guessed, the biofuel that it is making. The low net energy coupled with the huge amount of land needed to produce any significant amout of fuel is what is going to make this fuel not worth while.

      --
      perl -e 'print $i=pack(c5, (41*2), sqrt(7056), (unpack(c,H)-2), oct(115), 10);'
    2. Re:Didn't the US do this first? by harrypelles · · Score: 0

      Offtopic: I ran your sig. Nice.

  69. Expand Your Definition of Vegetable by Anonymous Coward · · Score: 1, Informative

    Here is the most interesting thing I have seen in the area of biodiesel: algae that is about 50% oil by weight, can grow in brackish water and eats human and industrial waste...

    1. Re:Expand Your Definition of Vegetable by eluusive · · Score: 1
      Here [unh.edu] is the most interesting thing I have seen in the area of biodiesel: algae that is about 50% oil by weight, can grow in brackish water and eats humans and industrial waste...
      Holy crap!! Run for your lives!
  70. With 100% BioD, we will still rely on foreign oil by chessie · · Score: 2, Informative
    ME: I have 2 diesels, one Jetta TDi and one Powerstroke. Been driving them for years. Expert, no, but lets just say I'm an especially educated and enthusiastic supporter of BioD. I have put B20 to B100 in both tanks.

    Problem is, even if we could produce all the BioD we wanted to for nothing, we will STILL rely on foreign oil. Here's why:

    Perochemical products like plastics and lubricants still have not been figured out with alternative sources. Things like plastics (the keyboard you are typing on) can not be made without dino oil.

    Where do the lube oil basestocks come from that we use in cars and trucks? Natural gas and dino oil. Even synthetic oils start out as some form of foriegn energy source.

    What about the chemicals required to make the tires that all these diesels will drive on? Petro based.

    High dino diesel prices are not due to foreign oil, its due to limited production due to modernazation (0 ppm sulfer mandated for 2006) and due to hurricanes. It used to cost 1/2 of unleaded. NOw it's street price rivals premium.

    The sick sad truth is that the highest yield oil source for BioD is not cash crops like soy and canola, but ALGAE, read = POND SCUM! 98% water, almost 1% extractable oil, 1% other stuff. Easy to produce and extract. Thing is you need 100,000 acre ponds to make the stuff to make it economically viable.

    The advances announced will make it safer and cheaper to produce BioD. I have seen picures of BioD processor accidents with methanol and it looks worse than a crystal meth lab gone kerblewy due to poor methanol handling.

    This is not the holy grail, but one small step towards a better environment and easier production.

    As far as benefits towards the US farmer: its meaningless. Do you know an individual farmer can not sell to anyone other than the domestic grain elevators? Not even to cross the border to Mexico or Canada. He has a product that he can only sell to a limited number of buyers. As a producer, he CAN NOT sell to foreign countries. Think about what each one of you 'makes,' codes, products and think about the export controls you face. They are insignificant compared to you can ONLY sell to ADM/Cargill/Mosanto/Frito Lay!

    On th otherhand, cohnsider that Venezuala, or maybe Columbia just shipped over the first tanker full of BioD derived from Palm oil to Miami. That tanker got bought and the BioD went into the pipeline. No import controls whatsoever. BioD is a product like any other comodoty. The national Soy council was PI$$ED because the Bush administration did not listen to its recomendations to protect BioD years ago. Now we are cought with our pants around our ankles.

    So, yeay, it sounds like it's a great advance, but we are not totally there yet.

    To the most of you who are shaking fists or pom-poms, what do you drive?

    Would YOU drive a diesel? How about a diesel-electric hybrid?

  71. This problem is partially solved by roman_mir · · Score: 1

    Hydrogen Fuel Injection system increases efficiency of diesel engines by adding small amounts of hydrogen to the combustion chambers. Burning Hydrogen increases the temperature, burns most of the particles that are normally released into the air from the diesel engines and increases fuel efficiency by 10%.

  72. ... and furthermore it's an *alkali* by Gordonjcp · · Score: 2, Informative
    An acid wouldn't do it. You need an alkali to break the long fat chains down into shorter molecules. This turns relatively thick vegetable oil (even waste oil, which can solidify at fairly high temperatures) into a very thin yellowish oil with a similar weight to mineral diesel, and glycerine.


    Of course a lot of older diesel engines can run perfectly well on straight veg oil - I've had best results from PSA engines (found in Peugeot, Renault, Volvo and Citroën, among others) that use Bosch fuel pumps - with drastically reduced emissions, quieter running and smoother performance. And no, it doesn't smell like fried food when it's running, unless the oil is incredibly dirty.

  73. bio diesel by mliikset · · Score: 1

    "Any vegetable oil can become fuel, but not until its fatty acids are converted to chemical compounds known as esters"

    Not exactly true, although preheating may cause that change. The original diesel engine was designed to run on plain peanut oil, and most diesels can accept plain vegetable oil either alone or in combination with normal diesel. Starting it is apparently the hard part when using PVO. Don't know about efficiency of PVO compared to diesel, but since the waste stream is diverted to further use, it would have ro be pretty bad to be implausible.

  74. no first page mention of HEMP? by Anonymous Coward · · Score: 1, Interesting

    Hemp is extremely high in cellulose. It grows from the desert to the mountains. Hemp is nature's #1 photosynthesizer producing more per acre, faster than possibly anything.

    LOOK IT UP. (USDA Bulletin 404)

    As far as the one poster who mentioned "plastics" --you'll find through study that that is EXACTLY (at least partially) how we got into this mess of dependence on such rude resource as oil.

    Hemp stems are 80% hurds (pulp byproduct after the hemp fiber is removed from the plant). Hemp hurds are 77% cellulose - a primary chemical feed stock (industrial raw material) used in the production of chemicals, plastics and fibers. Depending on which U.S. agricultural report is correct, an acre of full grown hemp plants can sustainably provide from four to 50 or even 100 times the cellulose found in cornstalks, kenaf, or sugar cane - the planet's next highest annual cellulose plants.

    On plastics: look up what Henry Ford did for the war effort when the military needed all the steel --Hemp produced automobile panels are lighter and 10x the strength. Search Popular Mechanics magazine archives.

    Look up the HempCar, or better yet read about in full Hemp here.

    Read what Hugh Downs said before America's desert brinksmanship.

    So remember the challenge:
    Prove us wrong! Prove us wrong! Prove us wrong!
    We hereby extend our $100,000 challenge to prove us wrong!

    If all fossil fuels and their derivatives, as well as trees for paper and construction, were banned in order to save the planet, reverse the greenhouse effect and stop deforestation; then there is only one known annually renewable natural resource that is capable of providing the overall majority of the world's paper and textiles; meet all of the world's transportation, industrial and home energy needs, while simultaneously reducing pollution, rebuilding the soil and cleaning the atmosphere all at the same time... and that substance is the same one that has done it before . . . CANNABIS/HEMP/MARIJUANA!

    GO BIO!

    (Those laughing are probably the same ones laughing before 9 American states approved medical use.)

    1. Re:no first page mention of HEMP? by cdn-programmer · · Score: 1

      Texas oil and Nylon would not have been worth nearly as much if Hemp were a commecial crop. Hense we know why it is illegal. Many of the farmers who had their crops burned by the cops were immagrants who had difficulty speaking English. Who here can imagine what it would be like to have the cops break in and burn what you were planning on making your pants out of next year?

      The English Empire sailed on Hemp. There was no other fibre that could stand the salt spray. I can still remember when I was a boy looking at a hemp rope an wondering what it was. Then they were replaced by sisle which is a totally inferior product.

      Our governments have been doing a lot of lying to us over the years.

    2. Re:no first page mention of HEMP? by dbIII · · Score: 1
      Look up the history as to what happened to commercial hemp in the USA. The cotton producers won, and even managed to get the US government to insist that other countries restrict the growing of hemp. Noticibly France and India ingored it, but many other countries swallowed the reefer madness line.

      Hemp can be low enough in THC to be ignorable by any drug authority. Hemp grown in Northern Europe has such a short growing season that any attempt to smoke it will be as effective as smoking rope.

  75. I rather doubt it by alizard · · Score: 1
    Problem is, even if we could produce all the BioD we wanted to for nothing, we will STILL rely on foreign oil. Here's why: Perochemical products like plastics and lubricants still have not been figured out with alternative sources. Things like plastics (the keyboard you are typing on) can not be made without dino oil. Where do the lube oil basestocks come from that we use in cars and trucks? Natural gas and dino oil. Even synthetic oils start out as some form of foriegn energy source. What about the chemicals required to make the tires that all these diesels will drive on? Petro based.

    The estimate for US transportation fuel requirements is 400,000,000 gallons a day (from Mike Briggs's algae biomass > oil page)... how many gallons/day are used for petrochemicals?

    I think it much more likely that absent a domestic market for domestic petroleum oil, that we can take care of all of the above requirements with either oil produced in the USA, or cheaply from the foriegn market, as without significant demand for petroleum as fuel, the OPEC nations are going to be desperately anxious to sell at any price the market will bear.

    As far as benefits towards the US farmer: its meaningless.
    Personally, I think the farmer will benefit substantially from a product that will fuel his tractors at a stable price. A secondary benefit will be that with petrochemicals out of the energy market, the price of petrochemical fertilizers and insecticides may even drop, or more likely, rise much more slowly.
    On th otherhand, cohnsider that Venezuala, or maybe Columbia just shipped over the first tanker full of BioD derived from Palm oil to Miami. That tanker got bought and the BioD went into the pipeline. No import controls whatsoever. BioD is a product like any other comodoty. The national Soy council was PI$$ED because the Bush administration did not listen to its recomendations to protect BioD years ago. Now we are cought with our pants around our ankles.
    Given that subsidies are tilted towards soy oil, just what do those soy farmers want from the Feds? RIAA-style protection? If the Columbians can sell us palm oil for biodiesel that can make sense at current market prices, more power to them. However, the primary use of biodiesel at this point is for blending, the economics (and very probably, the ASTM biodiesel spread) will have to change to make this stuff practical at the gas pump. Algae will be an important part of making this happen. BTW, your writing style looks sort of familiar, you on any of the biofuels mailing lists?
  76. Wow... by benjamindees · · Score: 1
    Algae: 10,000 to 20,000 US gal/acre

    Forget about improvements to catalysts. This is the real breakthrough.

    Widescale Biodiesel Production from Algae:

    NREL's research showed that one quad (7.5 billion gallons) of biodiesel could be produced from 200,000 hectares of desert land (200,000 hectares is equivalent to 780 square miles, roughly 500,000 acres)

    ...

    to replace all transportation fuels in the US, we would need 140.8 billion gallons of biodiesel, or roughly 19 quads (one quad is roughly 7.5 billion gallons of biodiesel). To produce that amount would require a land mass of almost 15,000 square miles. To put that in perspective, consider that the Sonora desert in the southwestern US comprises 120,000 square miles.

    ...

      That 15,000 square miles works out to roughly 9.5 million acres - far less than the 450 million acres currently used for crop farming in the US, and the over 500 million acres used as grazing land for farm animals.


    Growing enough biodiesel to provide all of our transportation needs on less than 3% of our cropland sounds like the holy grail of energy independence.
    --
    "I assumed blithely that there were no elves out there in the darkness"
    1. Re:Wow... by yndrd1984 · · Score: 1
      Growing enough biodiesel to provide all of our transportation needs on less than 3% of our cropland sounds like the holy grail of energy independence.

      Forget that! If it works that well, rebuild our whole energy infastructure around this.

    2. Re:Wow... by Krid(O'Caign) · · Score: 1

      You made a slight mistake - You said it would take 3% of our cropland, but you don't have to use cropland. Any place that's wet and sunny works - oceans, ponds, fancy hats, etc... Dirt is not required.

    3. Re:Wow... by buck_wild · · Score: 1

      Excellent point. The only 'extra' cost I can think of is water. Given that the process works well in seawater, which can simply be pumped and trucked somewhere else.

      (Your reference to a 'fancy hat' as a wet and sunny place is...disturbing. Hahaha!)

      --
      If all you have is a hammer, everything looks like a nail.
  77. bad comparison: diesel!=gasoline by evenprime · · Score: 4, Informative
    You didn't even respond to the relevant point of my post: I believe SVO is more beneficial to the environment than biodiesel. Worse, you didn't seem to understand what you did respond to. You said

    OTOH if you had even Googled "biodiesel carcinogens" you would know that one of the benefits of BD is exhaust that is 90% less carcinogenic than exhaust from petro-diesel.

    I'm already aware of the benefits of bio-fuels over petroleum diesel. I'm even aware of the CO2 benefits of bio-fueled diesel engines over gasoline engines. It would be difficult to read slashdot without being aware of the benefits, but that's not what I was commenting on. I was pointing out a negative that is seldom mentioned on slashdot; diesel engines, even when they run on biofuels, have more soot particles in their exhaust than gasoline engines. If you google "biodiesel particulate emissions" you will see that even biodiesel advocates admit this.

    Gasoline produces 15 percent less Particulate Matter than B100 (Particulate matter from B100 is of a less toxic nature than that from petroleum products)

    Those soot particles are the main reason why the EPA gives the 2006 Jetta diesel a horrible air pollution score even though it gets over 40 mpg. The difference in particulate (soot) emissions for diesel and gasoline engines is so great that it is very difficult - perhaps impossible - to get light duty diesel vehicles (i.e. cars) Tier II certified in California.

    It is, therefore, believed that emission certification of light duty diesel vehicles in California will be possible only if advanced emission control technologies, such as particulate traps and NOx catalysts, are developed.

    Right now, every gasoline burning car that is replaced by a biodiesel or SVO burning car causes us to have higher levels of soot in the air. From my original link:

    Diesel-powered cars will always produce more particulate matter. The particulate matter, now a known carcinogen, will contribute to immediate health problems if breathed in.
    [...]
    Bad for lungs, better for the ozone layer
    Granolas are split: some think the soot from diesels does more damage to people and animals here and now, while others want to minimize reliance on fuel resources and oil drilling, and to slow climatic change.

    That was the problem I was commenting on, and you responded with something totally off topic (a comparison of biodiesel and petroleum diesel.) Now, it is actually possible to clean up the exhaust on diesels quite a bit. That same article goes on to mention a way to solve the sooty particulate emmissions:

    Diesel engines can be clean, as clean as comparable gasoline engines if the right measures are taken to reduce particulate matter. Advanced engine controls, particulate-matter traps, and new-design catalysts have helped all but eliminate particulate matter.

    Unfortunately, the article does NOT explain the drawbacks of this process; the extra emmissions control equipment costs a LOT, and it reduces the power and fuel efficiency of the diesel engine. That's a problem, since fuel efficiency is one of the main reasons we are considering diesels in the first place, which is probably why most of these methods are still not used on new diesel vehicles. Besides using oxidizing-type particulate filters to get rid of soot can even increase the levels of carbon monoxide:
    http://www.fleetguard.com/fl

    --

    "Weapons should be hardy rather than decorative" - Miyamoto Musashi
    I think that goes for OS's too
    1. Re:bad comparison: diesel!=gasoline by OldManAndTheC++ · · Score: 1
      It seems to work, but it will need constant recharging with liquid urea solution

      Well, if the driver drinks lots of healthy beer, that shouldn't be too hard to find :)

      --
      Soylent Green is peoplicious!
    2. Re:bad comparison: diesel!=gasoline by valkoinen · · Score: 1

      There has been significant progress in reducing the emissions of diesel engines. For example Toyota just released a high power diesel car that they claim to have world's lowest combined oxides of nitrogen (NOX) and particulate emissions.

      http://www.automobilemag.com/auto_shows/paris_2004 /0411_toyota_d4d/

    3. Re:bad comparison: diesel!=gasoline by petergun · · Score: 1

      I think you do miss one point on the particulate front:

      - The only reason more efficient particulate filters are not on the US Edition TDI engines is that these filters work only in conjunction with advanced catalytic systems that require low sulphur diesel.

      Sure, this is not important when Biodiesel is the conversation, no sulphur being present in the mix. But VW cannot sell a car for Biodiesel only can they ?

      Will a TDI be ever as low-emission on particulates as a regular engine. Probably, but not without a large cost. Much like catalytic converters based on platinum plates, high quality particulate filters with good exhaust flow capability cost a lot of money.

    4. Re:bad comparison: diesel!=gasoline by Luminary+Crush · · Score: 1

      Maybe you could combine BioD with Hydrogen Fuel Injection http://science.slashdot.org/article.pl?sid=05/11/1 5/2314241&tid=126&tid=14/ and eliminate the increased NOx and particulate emissions?

  78. actually, that study doesn't say that.. by YesIAmAScript · · Score: 1

    It mentions you need alcohols too to convert the oil. That doesn't come from algae. Additionally, it doesn't mention how much effort/money/space/equipment it would take this algae output to biodiesel. My understanding (this is 3rd hand) is that the investment to do this for all fuel uses would be substantial. It might still be worth it though, I dunno.

    The government isn't going to lose revenue as people switch to biodiesel. Is biodiesel really cheaper to produce than diesel. I mean, if both were taxed the same, would biodiesel still be cheaper? It sure would lose a lot of its current apparent cost advantage.

    --
    http://lkml.org/lkml/2005/8/20/95
  79. Biodiesel in frugal cars saves teh world? by Oldsmobile · · Score: 1

    This is great. Combine biodiesel in cars that use less than 3 liters per 100km (3 liters per 100km = 78.4048614 miles per gallon) and you are using an incredibly small amount of fuel that does not come from the Middle East.

    Perhaps driving cars does have a future, even if the gas guzzlers are out.

    --
    Some say he is made with ascii, others that he is eyeballed daily by millions. All we know is, he is known as the Sig
  80. it is occasionally cheaper by adpowers · · Score: 1

    A year ago (here in Seattle) biodiesel was $3.40/gallon and diesel was like $2.30/gallon or less. Over the summer it was $3.00/gallon for biodiesel and $3.20/gallon for petrodiesel. Right now biodiesel is $3.05/gallon and diesel is around $2.90/gallon. Biodiesel is a little more expensive now, but when you take into account social/political reasons, the increase in cost is negligible. Of course, if you don't drive, it doesn't make much difference (yay for bicycles!).

  81. not soy! by adpowers · · Score: 1

    Well, us biodiesel advocates have been pushing the red/blue state connection biodiesel creates for a while (especially during last election) :). Unfortunately, while many people think it is a good idea, there are only so many diesel vehicles and only some of the users are willing to change. Unfortunately, companies and fleets are usually pretty conservative about new things (and are some of the biggest users of diesel).

    Also, please don't encourage soybean growth. Soybean groups want soy associated with biodiesel and I believe this is a bad idea. There are other plants that produce more oil per acre than soy (like canola). Also, if everyone grew soy, that means we are putting all our eggs in one basket. If one disease came along, it would wipe out a large part of the crop, but if it was diversified, a lot of oil would be preserved. Diversity and high-oil crops are what we should be encouraging. Nothing against soy, I eat it all the time :), but they want their name associated with biodiesel so they'll get mores sales.

  82. Build it, not Grow it! by newpath4comVersion2 · · Score: 0

    http://www.newpath4.com/WorldwideClimateEngineMsg. htm has links to 2 engines, neither of which uses any fuel.

  83. Still want a Fuel that Burns eh? by newpath4comVersion2 · · Score: 0
    Any engine that *burns* any fuel is us sitting in a car seat beside Br'er Neanderthal & Crew watching their hard fought fire burn. Liquid fossil fuel is liquid wood. It's easy! Here's a novel idea: Generate energy in a 100% cyclic engine without burning, totally renewable alternative energy sources, no waste, no Big-Batt-Ry & Plenty of Power: http://www.newpath4.com/WorldwideClimateEngineMsg. htm .

    Links on that page for the both engines, but here:

    http://www.newpath4.com/millenialdawnpowerandlight secure21.htm

    & http://www.newpath4.com/enginewow.htm#enginewowpag einanutshellexplainsnewtypeoffusionthefusingoftwoe lementsinatamolecularlevelsonofusion .

    The 1st link is for a solenoid-based "fluid" waterwheel;
    2nd link is for the sonofusion dual process engine.
    Both links are on the next link:

    http://www.newpath4.com/WorldwideClimateEngineMsg. htm

    Technically, an equation when flipped doesn't change it.
    Still the same equation. Well, mc2=E in my application
    to a solenoid waterwheel expression shows how it does
    mean something different in this one instance.

  84. Starving people? by NotZed · · Score: 1

    Yeah great, millions are starving in the world, so what do we do, lets convert FOOD into PETROL for those fat AMERICANS (and AUSTRALIANS) to burn up in their car driving to the shop to feed their fat arses.

    Smart stuff.

    --
    _ // `Thinking is an exercise to which all too few brains
    \\/ are accustomed' - First Lensman
    1. Re:Starving people? by cdn-programmer · · Score: 1

      I recall watching on CNN one very distraugh woman who lost 7 of her 9 children in the Tsunami last year. While I feel sorry for her I do wonder what other planets she was planning on populating.

      This will sound heartless but nevertheless it is true. The starvation in the 3rd world is due to a reproduction rate that is out of control. We see this in the middle east as well.

      One of the reasons Saddam was able to run kids through the mine feilds in the Iran Iraq war is because he had a lot of kids available. Just check the CIA factbook and look at the population demographics. It is scary!

  85. Clarification by Anonymous Coward · · Score: 0

    Acid catalysed esterification of triglycerides can also be carried out at low temperature and pressure, but it is so slow that it is not feasible to produce BD by that route. The esterification in "esterification followed by transesterication" route converts almost all of FFA and negligable amount triglycerides. The esterification in direct conversion process converts both FFAs and triglycerides with higher than 95% conversion. That is the second case requires higher pressures and temperatures even though the chemistry of the reaction is exactly the same.

  86. biodiesel cheaper and what about recycling? by fantomas · · Score: 1
    In the UK diesel is close to 6 dollars a gallon so 3.17 or even 4 dollars for biodiesel would be just fine :-)


    As far as biodiesel costing more energy to produce than it gives, is that not true of all forms of energy? for example how much does gasoline cost if you factor in the cost of production in Saudia Arabia, shipping by tanker half way across the world and local distribution? does this 'complete life cycle analysis' change the balance?


    Also regardless of this what about the use of waste vegetable oils? In the UK there is a lot of attention on small scale recycling of catering industry oils that are otherwise poured away into municipal dump sites. Surely by recycling already used oil, giving it twice the use, you reduce its energy production-to-use cost? ( I say small scale but I am guessing in a country of 50 million people efficient collection and reuse of commercial waste vegetable oils actually adds up to quite a large volume).

  87. Nonsense! Veg oil original diesel fuel by Anonymous Coward · · Score: 1, Interesting

    Diesel engines were designed to run on vegitable oil in the first place, so that farmers could make their own fuel for their tractors, just as they had done for their steam traction engines previously.

    1. Re:Nonsense! Veg oil original diesel fuel by Anonymous Coward · · Score: 0

      Actually that is mostly true.

      Rudolph Diesel originally tried to use coal dust, but its mechanical properties were unsuitable for good fuel injection. Vegetable oil was his second choice but worked much better. After seeing how well vegetable oil worked, he realized that it would be advantageous for farmers to be able to grow their own fuel, however, it took years for him to go from his original idea to the oil engine which it became.

  88. genetics, not fertilizers by Anonymous Coward · · Score: 0

    If you rotate crops between nitrogen-fixing soybeans (biodiesel) and corn (ethanol), you don't need to use fertilizer to up your yields.

  89. Sounds like bs. to me - you use lye by whitroth · · Score: 1

    Speaking to the local biodiesel group a few months ago, down here in Florida, they never mentioned this. What they told me is that they use lye (like, Drano, or, cheap industrial grade), then filter.

    Got to be very precise with the amounts (or you get soap); however, no acids required.

                mark

  90. Re:Manufacturing lye and methanol uses fossil fuel by Anonymous Coward · · Score: 0

    The whole BD process, from fertilizer production to waste disposal, produces higher than 3 liters of BD per liter of oil consumed. The same value for petrodiesel is about 0.8 liters.

  91. "Yesterday I couldn't spell engineer, today I are by instarx · · Score: 1

    As a disclaimer, I'm a Mechanical Engineer working in the area of biodiesel and energy recovery through dynamic breaking.

    Besides all the technical errors in your post about biodiesel (including the totally incorrect idea that diesel injectors need to be specially coated to run biodiesel, and not knowing that the only significant by-product of making biodiesel is glycerin), something about the way you spell your "dynamic breaking" engineering project makes me think bullshit.

    "Yesterday I couldn't spell engineer, today I are one".

  92. Hemp ? ? ? by Anonymous Coward · · Score: 0

    What about Hemp Plants??? What effiency do they have?

  93. Photosynthesis is 3-6% efficient by Dire+Bonobo · · Score: 1
    > photosynthesis itself is less than 1% efficient

    Photosynthesis is 3-6% efficient.

  94. Oil is not from dinos!! by SonicSpike · · Score: 1

    Why do you call it dino-oil when it isn't from dinsaurs?

    http://en.wikipedia.org/wiki/Abiogenic_petroleum_o rigin

    --
    Libertas in infinitum
  95. Economics 101 by Ogemaniac · · Score: 1

    Good inventions will not be concealed in a free market to protect an inferior product. This is simply demonstrated in just about every basic econ textbook.

    So for your absurd conspiracy theory to be true, not only must every government in the world be in on the scam, but also every company. Just one defector could bring the whole deck of cards down.

    Pigs will fly before such a crazy plan could happen.

    1. Re:Economics 101 by cdn-programmer · · Score: 1

      Well - the USA gov and the DEA seem to be well funded. Then we get the pollies in Canada going along.

      You do realise of course that the USA prison system has been a rather nice growth industry for quite a while.

  96. Oil availability by bluGill · · Score: 1

    There is some oil behind the donut and burger joints. However most of it is already claimed, so taking it is stealing! You can often get permission to take it, but be careful, many managers are not the owner, and thus not aware that someone else has already bought the oil!

    Used oil processors know about biodiesel, and they have been collecting oil from behind those restaurants for years. (10 years ago they paid about $.05/gallon for it) They will no look kindly on your stealing of their oil.

    The other problem is there isn't that much. There is enough oil for one or two people in each community. There isn't enough oil for everyone though, and in fact with the recent interest in biodiesel, there is generally more demand than supply already.

    Still, if you can find a place to get it, there is a lot of used oil behind these places - on a personal scale.

  97. Almost completely wrong. by bluGill · · Score: 1

    This is the worst case of misinformation I've ever seen on slashdot. The only part where you are correct is compression ratios and air-fuel ratios.

    Ethanol burns BETTER in a "gasoline" engine than gasoline - if the engine is designed for ethanol. (Mess up the air/fuel or compression ratio and you can have problems) It is cleaner, burning, and higher octane.

    Ethanol contains about 2/3rds of the energy as the same volume of gasoline. However because ethanol burns better (in an ethanol engine, a gas engine conversion will not see this efficiency) it will get the same fuel milage, and/or more power. Saab has already demonstraited such a car.

    A car designed to run on ethanol or gas will generally see about a 10% loss of fuel economy when running on ethanol, despite the significantly greater loss of energy in the fuel.

  98. Yep, it is all a big conspiracy by Ogemaniac · · Score: 1

    The evil puppet masters are controlling the world. Hemp is being held down so they can market their inferior crap. Prisons are full because the puppet masters own the prisons! I see their master plan now! Thanks for clearing it up for me.

    Hemp is just another plant. It probably has some uses but not all the miraculous sillyness posted in some of these articles. You should learn to detect snake-oil...because that link was soaked in it.

    1. Re:Yep, it is all a big conspiracy by cdn-programmer · · Score: 1

      I didn't follow the link. I mearly commented that laws against hemp were motivated by greed and punishment minded people out looking for trouble. The greed came from Synthetic fibers and the punishment from the bible thumpers.

      In the end a lot of innocent people have been hurt.

      From a medical standpoint I happen to know for a fact that it is very useful.

      There are other illegal substances that have proven medical benefits as well - such as psylicybin treating hearing loss. The reports are not detailed enough for me to identify what types of hearing loss - I suspect it is treatment of Tinitus. Amounts are well below halucinegenic levels.

      There is a whole area of medical benefits from mushrooms that people do not know about. Shitake has strong anti-cancer benefits and Oyster has anti-cloresteral.

      Hemp has been shown to have a HUGE number of substances which are pharmacologically active. Some are very useful for treating Glaucoma. Others are powerful anti-nausia drugs.

      -------------

      However this is not recognised in the overzealous madness of the DEA.

  99. The BIO solutions are no solutions ... by fygment · · Score: 1

    ... they just displace the problem. Bio derived energy will not come from First-world waste, it will come from the Third world who will deplete their forests with yet another profit making crop.

    Better put here at Forests paying the price for biofuels.

    --
    "Consensus" in science is _always_ a political construct.
  100. Plastics by bluGill · · Score: 1

    Plastics do not have to be made from oil. Oil is just cheap, so that is what they use. Farmers are promoting plastics made from corn. I've heard of soy based plastics too, but can't find a link. Pot fans like to point out that Hemp can be turned into plastic.

    Corn based plastics are generally bio-degradable, which is often an advantage.

  101. Remember most fertilizer is a petrochemical by dbIII · · Score: 1
    If it is true and workable, most 3rd world countries will be able to "grow" a very essential component of fuel
    This has to be considered from one end of the process to the other - currently most vegetable oil is made from plants fertilized with products made from natural gas or oil. A large scale biodiesel project would have to use some other form of fertilizer to be worth it - like sewerage. A small scale project is just helping to add to the problem if off the shelf canola or whatever is used, unless it had already been used for some other purpose.

    Growing huge amounts of algae in sewerage treatment plants makes sense. Others who know more about this will hopefully have better ideas or more detail.

  102. Replacing Oil: An Urgent Imperative? by chronicon · · Score: 1
    We tend to gravitate our thinking towards cars when the oil/energy discussions come around. The problem is much bigger than that. We have a trillion dollar infrastructure that is almost exclusive run on oil. Converting that to alternative energy sources is going to be an undertaking greater then any we have known. If the peak oil pessimists are correct, and even the optimists agree that it's likely to occur within the next 50 years. We had better ramp up really fast in phasing in alternatives or it's going to be a mess.

    Interested parties really ought to check out the LATOC primer. The guy's sources are not crackpots or psuedo-prophets predicting the end of the world here, they are investors, scientists, politicians, oil analysts, etc. He builds a strong case as to why hitting the peak of world oil production will return incredible economic and social changes if we aren't ready for it. One way or another, we have to do something--a concentrated effort nationally, even globally if we expect life to continue as we know (and enjoy) it.

    It probably would not have a huge impact on folks who already live at the subsistance level (the utterly impoverished), but as oil energy drives everything in our modern economy, even a small drop in production over a sustained period would be highly problematic for industrialized economies--for us. I quote from my own write up on this scenario:

    The issue is not one of "running out" [of oil] so much as it is not having enough to keep our economy running... A shortfall between demand and supply as little as 10-15 percent is enough to wholly shatter an oil-dependent economy and reduce its citizenry to poverty.

    The effects of even a small drop in production can be devastating. For instance, during the 1970s oil shocks, shortfalls in production as small as 5% caused the price of oil to nearly quadruple. The same thing happened in California a few years ago with natural gas: a production drop of less than 5% caused prices to skyrocket by 400%.

    Fortunately, previous price shocks were only temporary.

    Did that grab your attention? I know it caught mine when I read it. A 5% drop caused prices to go up 400%?! Incredible! And, that's not just gas prices we're talking about here, oil plays a role in virtually every aspect of our economy. Plastics; transportation; medicine; agriculture (think pesticides); you name it... Our economy isn't based on cash, that is only a convenient medium of exchange--our economy is based on energy. Energy that is almost exclusively derived from oil production. Once the global peak is passed and production starts falling off, there's no going back. Meanwhile, demand for oil here and abroad continues to increase at an amazing rate. Sounds like a bad situation no matter how you look at it.

    Even if the odds favor us in that this won't happen in our lifetimes, I feel a concentrated effort now to replace oil should be a national mandate of highest priority. For our kids and grandkids sakes. There are a lot of great ideas floating around for replacing oil with renewables. Let's get them implemented and our infrastucture converted to use them while we have oil energy available for us to do so. It will be extremely difficult to manage such a massive scale transition if we wait until the world oil production starts to decline. It takes energy to make energy after all...

    I really don't know where the oil companies are on this. Obviously even an admission of the problem such as Chervon and others have made are at the least an acknowledgement that we're not going to get to continue the course we are on very much longer.

    My real frustration in this is, how is it that I have only recently come to a knowledge of this issue when research shows it has been discussed and debated for a loooong time now. Where is the media? They are always so gloomy, you would think this would be something they would love to dwell on...

    1. Re:Replacing Oil: An Urgent Imperative? by nickptar · · Score: 1
    2. Re:Replacing Oil: An Urgent Imperative? by chronicon · · Score: 1
      Counter-view.

      Excellent. I am myself not a peak-oil optimist or pessimist, believer or doubter. Just interested. The one thing I am certain about in the whole matter is that oil is a non-renewable resource, once it's gone, that's it. On to alternatives. Might as well play it safe and get them in place now...

  103. Red herring? by fluffy666 · · Score: 1

    Actually, it is nothing of the sort.

    All I would ask is that you do the math. In order to replace 20% of current oil usage, you would have to (as an example) chop down all of the remaining African rainforests to make the land; you are talking about a 10 fold worldwide increase in plant oil production. That is what I would term 'An environmental catastrophie'. No realistic environmantalist would advocate biodiesel as currently produced (Desert-farm-algal-biodiesel may have a part to play in that it is the only solution I've seen that actually does scale.

    Basing your hopes on solutions that don't scale is a very bad idea indeed, unless you are acting as a spokesman for Exxon. Now, were I spokesman for the fossil fuel lobby, I'd be pressing for more wind, solar, biodiesel and the 'hydrogen economy' right now, as I would look green, attract government subsidies AND sleep easy in the knowledge that my core businesses would be completely unaffected. Nuclear power combined with electric cars would give me nightmares.. but I think we can count on the environmentalists to stop the nuclear industry and GM/Ford to stop electric cars.

  104. while we're being pedantic... by Anonymous Coward · · Score: 0

    "Biodiesal *IS* solar power. Where do you think the energy present in the plant matter comes from?"

    Solar power *is* nuclear fusion. Where do you think the energy in the sun comes from?

    So, you're all for nuclear fusion, are you? So am I...

  105. Home Heating is another use for biodiesel + misc. by mdibiofuel · · Score: 1

    I came in late due to the holiday. Yes, I ramble. So here's the home heating point first:
    Home heaters can burn biodiesel in place of #2 heating oil. New Englanders burn on average approximately 900 gallons of #2 heating oil per year. The EPA is starting to crack down on home heating equipment emissions, low NOx being a priority. You'd better know your stuff if you want to burn biodiesel in your home furnace, but LLBean and many state governments are quietly using biodiesel for space heating. National Parks are obliged to burn biodiesel appropriately where biodiesel is "readily available".
    Fact: The combustion of biodiesel in vehicles or home heaters increases NOx emissions /slightly/. Most other emissions drop dramatically. European elite boiler makers are producing low NOx boilers and biodiesel compatible boilers that meet low NOx EPA requirements -- other mfrs are stepping up to the plate.
    Regarding this topic, the story shows how there's almost always a technical solution to every technical problem. But politics and economy often cause technical innovations to be dropped, forgotten, avoided, or bribed into the ether. Fortunately, I think there's enough momentum behind US biodiesel sentiment to make it a profitable and worthwhile product on the open market for many a year. But then again, potpourri is a profitable product. As Eddie Izzard remarks, you couldn't give potpourri away to practical folks but for those with a disposable income, potpourri is the dog's bollocks.
    As long as potpourri sells in the USA, biodiesel will sell. Quote me on that. Even if biodiesel jumps to 4 times the price of petro-diesel or #2, there will always be those who are willing to take the financial hit for whatever practical reason they latch on to. And with biodiesel, there's plenty of good reasons if you can afford to burn it, even if the price is higher than a petroleum based alternative. Even a blend of B5 is a good thing from a renewability, sustainability, and closed-carbon-cycle POV.
    Right now, however, biodiesel is slightly more expensive than petro diesel or #2. I figure if a family wants to burn B20 for home heating, the yearly hit will be around $400. Tax time incentives help. Regardless of the Willie Nelson "Oh Christ, there he goes again" wingnut factor, which Car and Driver loves to pooper-scoop and feed the masses, biodiesel remains and will continue to slip into existing petroleum infrastructure and retail markets.
    What other energy alternative permits you to vacillate between solar energy and petroleum with your existing vehicles and/or heating equipment?
    That's right: ethanol, at least in vehicles. I'm under the impression that ethanol is popular in the MidWest primarily because it is so close to the source of distillation: it's mixed with gasoline the /morning/ of delivery to the pumps due to the rapid vaporization of the alcohol. Correct me here. I have always wondered why we don't see gasahol sold in New England, and I think it's because of the problems inherent in moving large quantities of alcohol over long distances. Am I right? As an exercise, contrast the characteristics of alcohol and biodiesel (methyl or ethyl esters) when applied to moving large quantities of the stuff. Biodiesel wins in my mind simply because of the "invisible sheet of flame" factor. Alcohol scares the hell out of me from a safety standpoint.
    I can't even light a biodiesel (B100) soaked rag with a butane lighter.
    I'm in the biodiesel distribution business, so I professionally opine that ASTM certified biodiesel is a very a good thing for you because I need to sell fuel to make money. Federal subsidies make biodiesel distribution a profitable thing, and though the distribution subsidy for blends is not available to the retail customer, there exists another strong April 15th incentive for businesses to use biodiesel on-road, so if you're running diesel onroad in the course of doing business it makes good sense for you to look to biodiesel

  106. Horses ARE really inefficient - by sean.peters · · Score: 1
    Can that be right? One acre is barely enough for a horse. Either I slipped a decimal point or horses are really inefficient.

    Horses ARE really inefficient, compared to cars (depending on what you mean by efficiency). Horses must maintain a high body temperature 24/7, while cars need only maintain a temperature while being driven. Horses (at least mares) have high energy needs for reproduction, while new car construction is handled offboard. Horses need to digest their food, whereas cars get fuel delivered ready-to-use. Horses must repair their own tissue, while car repairs are handled with offboard energy resources.

    No doubt you can think of other differences.

    Sean

    1. Re:Horses ARE really inefficient - by Anonymous Coward · · Score: 0

      Horses (at least mares) have high energy needs for reproduction, while new car construction is handled offboard. Horses need to digest their food, whereas cars get fuel delivered ready-to-use. Horses must repair their own tissue, while car repairs are handled with offboard energy resources.

      No doubt you can think of other differences.


      You are right I can...

      I don't have the numbers to prove it, but it is reasonable to beleive that if you total up all the energy costs for minining, smelting/refining, transporting, and manufacturing the parts for a new automobile; it would be more than required for a new horse. Also, that is not including the final assembly of the vehicle.

      I'm not saying horses are inheirently efficient, but you treating far too much of the energy cost as externalities for there to be a valid comparison.

    2. Re:Horses ARE really inefficient - by buck_wild · · Score: 1

      "...it is reasonable to beleive that if you total up all the energy costs for minining, smelting/refining, transporting, and manufacturing the parts for a new automobile; it would be more than required for a new horse."

      But when making a single car, the procses is done once. A horse needs continued energy invested (food, water, care, shelter) or it will simply expire and become useless.

      --
      If all you have is a hammer, everything looks like a nail.
  107. it's not a complete myth by LunaticTippy · · Score: 1
    I killed our neighbor's car with sugar when I was a kid.

    Granted, I poured an entire 5-lb sack in there and the blockage was most likely mechanical, but still...

    --
    Man, you really need that seminar!
  108. Re:With 100% BioD, we will still rely on foreign o by smithmc · · Score: 1

      Problem is, even if we could produce all the BioD we wanted to for nothing, we will STILL rely on foreign oil. Here's why:

    Perochemical [sic] products like plastics and lubricants still have not been figured out with alternative sources. Things like plastics (the keyboard you are typing on) can not be made without dino oil.

    Where do the lube oil basestocks come from that we use in cars and trucks? Natural gas and dino oil. Even synthetic oils start out as some form of foriegn [sic] energy source.

    You do realize that we produce something like 40% of the oil we use? If we could replace all our fuel needs (heating, electricity, transportation, etc.) with biological sources, we might very well be able to satisfy all our other petrochemical needs (plastics, fertilizer, etc.) from domestic oil sources.

    --
    Downmodding is the refuge of the weak. Don't downmod, make a better argument!