Posted by Chris Case @ San Diego on Wednesday, May 14, 2008 at 20:38:02 :
In Reply to: Re: OT - Biofuels, not so green posted by M Fanoni on Wednesday, May 14, 2008 at 19:59:20 :
All of the energy that was released by the burning of the fuel originally has to be re-installed to take the oxygen back out. Plants and algae do it with sunlight as the source of the energy.
It's called thermodynamics, you can't make energy from nuthin.
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