biofuel(redirected from Direct biofuel)
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biofuelAny 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.
(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.
biofuelfuel 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