Biological conversion of biomass involves fermentation to make ethanol and anaerobic digestion to create biogas. Ethanol is utilized as a car fuel. Biogas, also known as biomethane pure - devoid of qualification; utilised informally as (typically pejorative) intensifiers; "an arrant fool"; "a whole coward"; "a consummate idiot"; "a double-dyed villain"; https://purebiofuelwoodpelletscan95037.blogcudinti.com/38546244/biofuel-oasis-berkeley-things-to-know-before-you-buy