biofuel

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biofuel

Any gas, liquid or solid that can be converted from a raw biological material—vegetation, algae grown in sewage, dry waste, cane sugar or wood pulp through combustion or fermentation to alcohols into fuels useful for industry and transport.

Major biofuels
(1) Biogas generated by anaerobic digestion (“biomethanation”).
(2) Fuel ethanol generated by a yeast-based fermentation of molasses, sugarcane juice or hydrolysed seed.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

biofuel

fuel derived from a biological source. Biofuels include ETHANOL (gasohol), METHANE (biogas), fish liver oil and rapeseed oil (biodiesel).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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