BioFuel

category of Alternative Energy

http://en.wikipedia.org/wiki/Biofuel

"First-generation fuels" refer to biofuels made from sugar, starch, vegetable oil, or animal fats using conventional technology. (includes Ethanol)

Second-gen: non-food sources, including Cellu Lose.

related: BioMass http://en.wikipedia.org/wiki/Biomass#Biomass_conversion_process_to_useful_energy


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