Hydrogen is just another energy storage mode, like a spring, as it isn't mined or otherwise gathered in the wild without substantial energy input. The hydrogen has to come from somewhere and the process at least as efficient as other energy sources to be practical. Countries with excesses of geothermal energy and water, like Iceland, might be able to do that in spite of the relative inefficiencies. China? Dunno.
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Last edited by Pio1980; 03-23-2015 at 03:29 PM.
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