Comparison of various biofuels, their sources, and the amounts of energy produced by them and consumed in their production. Corn-derived ethanol = bad; algae-derived biodiesel = good.
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edatrix
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whatonearth
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furryrabbits:malaparte: Comparison of various biofuels, their sources, and the amounts of energy produced by them and...
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whatonearth
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furryrabbits
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furryrabbits
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malaparte
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malaparte
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