If you make the hydrogen before hand it's more efficient. Hydrogen is lighter and can be compressed where as water would take up a lot of volume and weigh down the car. You would also have to have a sufficient area of solar cells to collect enough sun to split the water at a fast enough speed to supply the engine with enough hydrogen to run. You would also need constant sunlight. It would have the same drawbacks as a solar powered electric car plus some extra.
I wasn't expecting to get a comment on such an old entry, lol. Thanks. :)
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I wasn't expecting to get a comment on such an old entry, lol. Thanks. :)
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