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There are no natural supplies of hydrogen. It always has to be removed from something, and the commonest source is water (H2O).

However, so far, there is no way to remove hydrogen from water that does not use more energy than the resulting hydrogen will produce. If a cheap way is discovered to separate water into Hydrogen and Oxygen then all our worries about global warming and peak oil will be over.

A.K.A its renewable

EDIT: correction: UV radiation naturally splits H2O molecules in the ocean, producing hydrogen and oxygen, which reacts with O2 in the air, forming ozone (O3). That is how the ozone layer formed. But yes, electrolysis of water to produce hydrogen is not very efficient at the moment.

- Oscar

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13y ago

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