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New Chemical Process Could Make Ammonia a Practical Car Fuel

overThruster (58843) writes A phys.org article says UK researchers have made a breakthrough that could make ammonia a practical source of hydrogen for fueling cars. From the article: "Many catalysts can effectively crack ammonia to release the hydrogen, but the best ones are very expensive precious metals. This new method is different and involves two simultaneous chemical processes rather than using a catalyst, and can achieve the same result at a fraction of the cost. ... Professor Bill David, who led the STFC research team at the ISIS Neutron Source, said 'Our approach is as effective as the best current catalysts but the active material, sodium amide, costs pennies to produce. We can produce hydrogen from ammonia "on demand" effectively and affordably.'" The full paper. The researchers claim that a two-liter reaction chamber could produce enough hydrogen to power a typical sedan.

7 of 380 comments (clear)

  1. Re:waste of time by Russ1642 · · Score: 5, Funny

    Actually, the furthest along are gasoline engines. 100% of all research funds should go to increasing fuel efficiency.

  2. Wait, *why* couldn't we do this? by pla · · Score: 5, Insightful

    Catalyst: "a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change."

    Yes, metals like palladium and rhodium cost a good chunk of change, but you don't need a lot of them, and you only need them once (per car). You add them in trace amounts to a porous honeycomb-like structure to maximize surface area, and bam, that whole gram of palladium adds $30 to the total cost of your car. Make no mistake, the more ways we have to accomplish a particular reaction, the better, and I consider TFA very cool news... But the cost of the catalyst wouldn't break the bank vs the cost of a new car.

    Call me paranoid, but I can tell you a much more realistic reason we don't already have cars running on ammonia - The DEA. I can't buy a goddamned bulk pack of (real, not reformulated) Sudafed without showing two forms of ID, and $Deity help me if I actually need to get more in the same month! On the other side of the meth equation, a convenient source of anhydrous ammonia would make it much easier and safer to manufacture, so no ammonia for you!

  3. Re:waste of time by gstoddart · · Score: 5, Insightful

    The last thing we need 30 years from now are 10 different types of car fuels cruising around.

    Long term, I should think it would be to our advantage to pursue as many different kinds of fuels as we can find.

    Because some might be better suited for some applications, and until you have a universal replacement for gasoline, you have no idea of what will be viable.

    You're suggesting we decide a winning technology now, and ignore all others. Problem is, we don't yet know what the winning technology is.

    --
    Lost at C:>. Found at C.
  4. Re:I see a problem here... by gurps_npc · · Score: 5, Insightful
    The reason we use gasoline as a fuel is because it is incredibly cheap. It costs less than pretty much anything else you can think of, with the exception of tap water in locations where tap water is common.

    The reason why the gas companies have power is not because they are magic, but because they sell it so cheaply, yet make a huge profit.

    So when you say "damned sure no will will ever allow this to be a legit fuel for cars", you are basically wrong. The proof is that diesel and ethanol additives are also sold as fuel.

    If this was cheaper per gallon than gasoline, without any additional problems (i.e. cars still went as fast, no deadly poisons released), then you would be trampled by the rush to convert cars to ammonia.

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    excitingthingstodo.blogspot.com
  5. Re:I see a problem here... by countach74 · · Score: 5, Insightful

    It makes perfectly good business sense. If you were an entrepreneur, wouldn't you be very happy to move to such a technology, drastically undercutting the oil companies? Contrary to popular belief, businesses don't generally make killings because they charge a lot, but rather because they don't charge a lot, relative to other alternatives. If you were one of the first firms to enter such a market (assuming the consuming public moves on this new tech) and make a very handsome profit, charging far more than your input costs. New players will eventually enter the market and big down prices, but since you were [one of the] first players, you got to make a killing. That is how economics works. The market rewards the first entrants to a market via profits above and beyond the going rate of return.

    Actually, I think the crux of the problem is that you don't understand price theory. Price is not determined by the cost of the inputs. Rather, society determines the price via their actions in purchasing or not purchasing a good (and of course to nearly infinite extents of purchasing vs not purchasing). The more society wants a good, the higher prices will be driven up (all things the same), inducing more competitors to the market who compete for the lion's share, in turn bidding down the price until equilibrium is reached. (Nevermind that equilibrium almost certainly will change before it is ever reached.)

  6. we're already close to that! by Maxwell · · Score: 5, Insightful

    Uhm, we're pretty close to that already. About 700 miles give or take. Tesla can do 250 easy, some are pushing 300. So a 1 hr full charge stop (you do have to eat, right?) plus another 30 minute stop (pee break) to 50% charge would get you there. Next year, in the lighter Model X a single 1hr stop might do it.

    You'll need a new excuse soon. I suggest Miami to Seattle. People are *constantly* driving that route, so if an electric can't do it, it will never be a success.

  7. Re:Why not just burn the ammonia by Thantik · · Score: 5, Funny

    Very efficiency. No gas. Much MPG.