There are two Hydrogen systems . One is the use hydrogen as a fuel for an internal combustion engine , in place of gasoline . The other system is the hydrogen fuel cell , which uses the reaction between Hydrogen and Oxygen the produce Electricity to actually power the vehicle .
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These are some examples of how much experimenting the auto makers do , to bring you new automobiles and keep up with the times .
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This Nuclear Powered concept was unveiled by Ford in 1957 Nuclear power is possibly a fuel of the very distant future , but would likely be a very difficult idea to sell to governments and the public .
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The North American automakers are far ahead of the fuel companies and governments with the production of ethanol vehicles . The vehicles are ready but the fuel is not readily available in very many places yet .
Hydrogen is another future fuel . The North American auto makers have hydrogen powered (zero emission) vehicles ready to go but the fuelling facilities are not in place yet