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

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  •  It would be astounding were they correct. (0+ / 0-)

    That is why I posted the disclaimer.  The point was illustrated though, I think.

    You are right.  The overall efficiency of one process must be compared to the overall efficiency of another process. This applies to energy usage and greenhouse gas production. That includes the ecological impact of materials extraction.  (Which is why the platinum is such a killer.)  It is not clear at this point which system wins that comparison.

    I am fairly certain that seawater can be distilled.  The reason I typed the word seawater and not freshwater is because fresh water is also a dwindling resource.  If fuel cells require surface fresh water, IMO this too will kill the technology.

    Stop. Stand up. Make a sign. Walk around in public. Be polite and orderly and the rest takes care of itself. Want to shake up the Plutocrats? Demonstrate your attention to politics.

    by Quicklund on Sun Apr 24, 2011 at 01:01:55 PM PDT

    [ Parent ]

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