Originally posted by: spyordie007
Originally posted by: Roger
Another point that needs to be made, Hydrogen powered vehicles emit pollution as well, don't let anyone tell you otherwise.
Our atmosphere contains large amounts of nitrogen, when this nitrogen is exposed to high pressures and temperatures it breaks down and combines with other elelments to form nitrogen oxides which is a major pollutant.
The exaust out of an internal combustion engine running on Hydrogen is CLEANER than the air that enters the engine. Yes you are correct in that some of the Nitrogen in the air can form nitrogen oxides (just like gasoline) but burning hydrgogen in an internal combustion breaks down existing polutants so the exaust you get is technically cleaner than the air that comes into the engine. We have done tests to prove this.
Fuel-cell powered cars do not "burn" hydrogen and do not produce any oxides of nitrogen.
Hydrogen cars are not a great idea, except in the limited sense that the will tend to move polution out of city centers.
Hydrogen is not an energy source, it is an energy storage medium. I suspect that, as is the case for electric cars, you will produce more polution overall, unless you use a clean source of power (solar, wind, nuclear, etc.) to produce the hydrogen (or electricity) in the first place.
Exactly right now it takes more energy to make hydrogen fuel than you will get back. Plus we already have cars that can get 60-70 mpg.
You are right in that Hydrogen is not an engergy source, it is mearly an energy storage medium. The reason for persuing hydrogen as the storage medium rather than batteries (remember that a fuel-cell car is just an electric car that has a fuel cell that provides the electricity) is that you get better energy density, it weighs less, recharging is essentially instant, and the "fuel" lasts forever (whereas a rechargable battery will lose its charge over time). The great thing about persuing this (as far as the Bush administration is concerned) is it allows us to still have our mobility while reducing our need for middle east oil (energy). The energy supply can come from anywhere, I personally would like to see it come from renewable resources as that would give us a virtually unlimited energy supply...
If you have further questions please visit our website:
American Hydrogen Association (us)
American Hydrogen Association (Arizona)
Or post your questions on our forum
(I wince hoping the bandwidth will hold
😀)
-Spy