'''Biofuel''' (pronounced bye-oh-FYOOL) is fuel made up of biological raw materials, such as wood or ethanol. This type of fuel is considered to be more friendly to the environment.<ref>http://www.alternative-energy-news.info/technology/biofuels/</ref>
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'''Biofuel''' (pronounced bye-oh-FYOOL) is fuel made up of biological raw materials, such as [[wood]] or [[ethanol]]. This type of fuel is considered to be more friendly to the environment.<ref>http://www.alternative-energy-news.info/technology/biofuels/</ref>