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...Lecture biofuels introduction biofuel is a fuel gas liquid or solid derived from biomass generally gases and liquids fuels obtained are considered as the may be plant algae material animal waste since such feedstock can replenished readily to source of renewable energy unlike fossil petroleum coal natural commonly advocated cost effective environmentally benign alternative other particularly within context rising prices increased concern over contributions made by global warming many critics express concerns about scope expansion certain because economic environmental costs associated with refining process potential removal vast areas arable land food production crops used make either high in sugar sugarcane sugarbeet sweet sorghum starch maize tapioca oils soybean rapeseed coconut sunflower etc have been depicted figures given below figure types term refers gaseous for transport sector that predominantly produced it held offer benefits including sustainability reduction greenhouse emi...