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Old 06-05-2009, 10:39 PM   #17 (permalink)
Big Dave
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Join Date: Jan 2008
Location: Steppes of Central Indiana
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The Red Baron - '00 Ford F-350 XLT
90 day: 27.99 mpg (US)

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As pointed out by others, the problem is not burning hydrogen in a ICE. That has been proven since the 1920s. Hydrogen-fueled ICEs make power as efficiently as those using other fuels.

The problem is the amount of energy required to generate the hydrogen from water.

A couple of other unsolved problems. It rapidly diffuses through everything so there is always leakage loss. A 3000 psi metal hydride tank will bubble when soaped. Hydrogen will even sneak through U-238.

Hydrogen embrittles everything it touches.
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