Quote:
Originally Posted by E-Flex
You almost wrote it yourself:
Fossil fuel may be available much longer than we are expecting today, but we keep exploiting it much faster than it can ever regenerate, so it definitely will disappear some day. And we should have a substitute ready by then. Another issue are the toxic emissions we cannot get completely rid of as long as we keep burning fossil fuel.
As far as I know, emissions produced by burning E85 are even more toxic (There is not only CO2!), and food prices are already exploding because farmers are producing E85 instead of food. This may be not a big issue in the US or the EU, but third world countries are running into a really severe problem.
Hydrogen fuel cells do not produce any toxic emissions, hydrogen does not compete with food for farming ground, and hydrogen is renewable in the sense that it is still contained in the steam emitted by the fuel cell.
This is ok as long as you are not using your car for anything else that getting from home to work. After work, you cannot visit granny in the neighbouring town becuase you first have to recharge your car for several hours. The journey to your holiday resort in Florida will take five times as long because you must recharge several times.
This may change as soon as really strong batteries (400 miles per charge in real life) or faster recharging (max. 15 min) are possible, but I do not see them appear at the horizon.
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The majority of electricity in the US is generated by fossil fuels,either oil or coal.Mostly coal.Neither battery/electric or hydrogen powere car are going to help in that situation.
Ed