Slashdot Mirror
US Wants Natural Gas As Major Auto Fuel Option
coondoggie writes "Natural gas has never been much of an option for U.S. car drivers, and it's going to take a lot of effort by the government and auto manufacturers to make it a viable alternative to gas. But that's just what a $10 million program from the Department of Energy's advanced project development group The Advanced Research Projects Agency — Energy (ARPA-E) aims to start anyway. ARPA-E's Methane Opportunities for Vehicular Energy (MOVE) program wants to develop a system 'that could enable natural gas vehicles with on-board storage and at-home refueling with a five-year payback or upfront cost differential of $2,000, which excludes the balance of system and installation costs.'"
CNG vehicles have been around forever, and fill up stations are somewhat common.
Getting people used to the idea of automotive fuels OTHER than gasoline, and the infrastructures to support it is an overall good thing, regardless of the fuel source. If you can convince the populace at large that 2-3 vehicle fuel sources are commonly available and easy to use, then it's less difficult to get another fuel source (say electricity or fuel cells) into the mix.
I'm out of my mind right now, but feel free to leave a message.....
- The after market conversion leaves the existing gasoline system intact and adds the natural gas package to the vehicle. The installation of a natural gas system includes a cylinder that is mounted underneath, in the back of the truck or in the trunk of a car. One 70-litre cylinder equals 18 litres of gasoline and weighs approximately 160 pounds.
Cost Based on a typical ½ ton truck
$9000 - Conversion w/ 2 - 70 litre cylinders
$1.0090 - Gasoline Pump Price per litre
$0.4790 - Natural Gas Pump Price per Litre Equivalent of Gasoline
$0.5300 - Savings per Litre Displaced
$2.409 - Savings per Gallon Displaced
15 mpg gasoline mileage
$160.63- Savings per Thousand Miles
56,031 miles - Miles on Natural Gas Required to Recover Cost of Conversion
Yes, however, when fracturing goes wrong you have an underground leak of some toxic chemicals. Said chemicals are NOT radioactive, merely arrangements of carbon that can be removed from water with the right equipment. Furthermore, as long as you recognize the leak has occurred, it is straightforward to handle the problem. The ONLY reason this is even an issue is because captive regulators may NOT properly make the companies doing the drilling pay the bills when they screw up.
If you want to know the future of energy, listen to this Chris Martenson lecture, I believe scary times are ahead:
http://www.youtube.com/watch?v=8WBiTnBwSWc
As for natural gas.... right now proven world reserves stands at stands at 191T m^3. The US has about 7T m^3, and a huge chunk of the rest is in Russia and Iran, which are not exactly friendly to us nor have we exactly been cultivating decent relationship with them. Since China is scouring the globe for energy sources, I assume they have or will get long term contracts from one or both of them.
http://en.wikipedia.org/wiki/List_of_countries_by_natural_gas_proven_reserves
Our world usage last year was 168T ft^3 according to this:
http://www.eia.gov/forecasts/ieo/nat_gas.cfm
Google tells me that is equal to 3.2T m^3.
So at current rates, assuming 100% extraction, we have 60 years of Natural Gas. The best case at current usage for proven reserves, much of which are in hostile countries.
The IEA predicts a 2.2% increase in demand annually. Using the rule of 70, that's a doubling time of ~32 years. That cuts down the best case scenario for Natural Gas down to 39 years, at current uses, meaning we don't start leaning on it heavily for transportation and the like.
Now, the scientist in my top link talks about how if everyone switched over to electric cars, they would have to go from 300 generating plants to 3,000. One order of magnitude, 10x. Without doing specific calculations, perhaps we can assume that could carry over to natural gas if used extensive for personal transportation. How many years then?
Yes, NG can be used in conjunction with oil and other energy sources and carry us for a while longer until we find a real solution.
30% of our natural Gas production in the US comes from fracking. Producing energy is not completely safe no matter what method you use.
Nice straw man, but nobody's saying it should be "completely safe." There's a wide array of values between completely safe and deliberately ignoring what may be catastrophic environmental damage to satisfy a year or two of energy demand. Call me when your tap water is flammable and taking a shower presents a risk of explosion.
On second thought, don't bother.
If you are referring to the three cases HBO highlighted, two of those were found to be unrelated to fracking. The third, of course, was an issue and that land owner was compensated, probably quite well. As for the other two, it turns out that their water wells were drilled through three coal beds and contain NATURALLY occurring gas.
So, the way I see it, yeah, this could be a problem, but it appears that the system is taking care of itself. As for the two that drilled through the coal beds, I would be on the phone with the gas companies saying, "Hey, you guys missed some over here! Come get it and pay me." Provided I owned the mineral rights, of course.
There is no "I disagree" mod for a reason. Flamebait, Troll, and Overrated are not substitutes.
Actual first hand story:
Back in the mid-60's a great-uncle of mine bought small farm in Southeastern Ohio. He had a well drilled to supply water for his livestock; but instead of water the driller hit natural gas. There wasn't enough to sell, but he did have the well capped and used the gas to heat his house.
Gas in water wells is very common. People who have gas in their water probably had it since the day the well was drilled. Testing it after a gas well was drilled a couple of miles away proves nothing unless they also had it tested before the drilling started.
The Honda Civic GX has a range of about 200 miles on it's 8 "gallon" natural gas tank.
http://en.wikipedia.org/wiki/Honda_Civic_GX
Natural gas is a much better option than electric due to the ability to refuel on a road trip, or at home.
What are you talking about? LPG and CNG use is common outside the US and has been for many decades. Range is similar to liquid fuels - hundreds of miles before switching back to gasoline.
CNG has some real problems compared to gasoline in private vehicles, namely the fuel tank. I've been in a couple of these vehicles, and the main problem is that there's little or no storage space. Consumers aren't going to be too happy about that. In pickup trucks, the tank takes up about 1/3 of the cargo bed. So you can forget about carrying sheets of plywood and many other large objects. In small cars, the tank takes up the entire trunk, so you can forget about putting any luggage or groceries or anything else back there.
Basically, CNG has extremely poor energy density compared to gasoline, when you compare the size of a fuel tank versus the driving range that fuel tank gives you. The fuel is a compressed gas, which obviously isn't nearly as dense as a liquid, and because it's compressed it requires a tank with very thick, heavy-duty walls. So you end up with a giant tank consuming your whole trunk just so you can have a measly 100-mile range on CNG, when a simple 12-gallon gasoline tank gives you a 3-400 mile range. The only people here who have these vehicles are people who participated in Arizona's program back around 2000 where the state government gave them a giant discount on the cost of a car, plus a free conversion to CNG (dual-fuel; you can switch between the two). So people were buying these giant, expensive SUVs for 1/2 the normal cost, which had the spare tire replaced with a 5-gallon CNG (good for a 20-mile drive maybe) tank to qualify for this giant rebate. Other vehicles with more serious conversions of course were made too like the ones I mentioned above, but still the range wasn't that great and the tanks took up most of the useful cargo space in these vehicles.
The only way to make these vehicles practical would be to completely redesign the chasses for these giant tanks, but now you're talking about an enormous expense for the automakers, and a totally separate product line, for something that might do about as well as diesel cars have done in the USA (which is very, very bad for those who don't know). You just can't take a regular gas car and convert it to CNG with great results. At least with diesel, you can use the exact same chassis quite easily; you just need to drop in a different engine. Making CNG cars is going to be more like making electric cars (or also hybrid electric cars with very good all-electric range, a la Chevy Volt): for really good results, you'll have to make purpose-built vehicles, just like GM did with the Volt and Tesla did with their cars. Conversions using gasoline chasses just don't work out too well; you either end up with crap range because you're limited to how many batteries you can stuff into various voids in the chassis or engine compartment (which wasn't designed with these batteries in mind), or you end up with no cargo room because you've filled it with batteries (like the electric pickup trucks I've seen pictures of: they fill the cargo bed with batteries, which totally defeats the purpose of a pickup truck).
So if you're an automaker, and you'll have to spend a huge pile of cash to engineer an all-new chassis, would you rather spend that on a car that only runs on CNG (maybe with a tiny gas tank just in case the customer can't find a handy CNG station), or would you rather spend that on making a plug-in hybrid electric vehicle like the Volt that runs ~40 miles on electricity, enough for most commutes, and then has an efficient gas engine for driving cross-country, letting customers use the already-existing gasoline infrastructure?
This whole thing is just a bad idea. Electric is the way to go, hybrid at first, with some dedicated commuter cars like the Leaf, and full electric later when battery capacities are better and fast recharging options are better. The other thing our dumb government should be pushing for cities is a personal rapid transit system like SkyTran, which is all-electric, uses very little power, and would be perfect for shuttling commuters between suburbs and their workplaces. If they want to find something, they should be funding that instead.
I would rather have (minor) damage to the environment than to continue to pay Hundreds of Billions of dollars a year to people who hate our guts and will kill after we (inadvertently) burn some of their holy books (despite our president's gracious apology)..
I didn't realize Canadians hated us so much. It would be helpful if you actually knew where our oil comes from, the largest exporter of oil to the US is Canada, followed by Mexico. If we spent all the money we do on our "oil wars" on renewable technology we wouldn't be so worried about oil exports. It's not about oil, it's about making men rich, oil is just a means to an end.