using water as a fuel is it possible to run a vehicle by using water as a fuel?

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There is another way for water to be used as a fuel. You can separate hydrogen and oxygen by use of electrolysis and then use hydrogen in nuclear fusion as in eg. H-bomb or perhaps one day cold fusion.

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In perhaps an indirect way, water is used as a fuel in dams. We can use hydroelectric dams to harness the power of water to fuel our electricity. You may not be able to burn water as fuel in your car, but it is actually very useful and we should be using more in creating electricity.
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Actually, water can be used as a fuel. Electrolysis can break down the water into hydrogen and oxygen. Hydrogen fuel cells can then use the hydrogen as a fuel. The waste product produced from the combustion of hydrogen is water. This water can then be used once again--due to the water cycle, hydrogen as a fuel would be renewable. As fossil fuels begin to run out during this century, hydrogen fuel will be a viable way to obtain energy.

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