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View Diary: Recent DOE Break-Through with Hydrogen Fuel Cells, should make them Affordable (275 comments)

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  •  The Prius turns waste energy into electricity. (1+ / 0-)
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    Odysseus

    That is all.  Turning waste energy into hydrogen, then back into electricity, is both A) pointless, and B) laughably inefficient.  A) pointless, because H2 vehicles already have to have battery buffers, so you don't need to do that. And B) laughably inefficient because instead of going generator(motor)->battery->motor, you're doing generator(motor)->battery (for buffering, since electrolysis isn't instant)->electrolysis->H2 compression->storage->O2 compression->fuel cell->battery (for buffering; fuel cells don't work well at high power)->motor.  Sound smarter?  ;)

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