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by david-given
3809 days ago
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I thought the problem with hydrogen as a fuel was storage --- liquification requires cryogenic temperatures and is very energy inefficient, compressed gases require heavy storage vessels and has terrible energy density, infusing it into the surface metals has poor energy density and is problematic for other reasons... actually turning it into energy is pretty well understood; it's getting it to where it's needed that's not. Or has something changed since I last looked at this? |
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