| http://www.w3.org/ns/prov#value | - Typically biofuel is burned to release its stored chemical energy. <br /> Research into more efficient methods of converting biofuels and other fuels into electricity utilizing fuel cells is an area of very active work. <br />Liquid biofuel<br /> Liquid biofuel is usually either a bioalcohol such as ethanol or a bio-oil such as biodiesel and straight vegetable oil. <br /> Biodiesel can be used in
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