Biofuels for Transportation
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Abstract
Biofuels offer a responsible solution to potential crises in the near future. Biofuels are renewable and provide a means to become independent from fossil fuels. Oil exploration is becoming more costly as more remote locations must be explored to find oil. The purpose of this chapter is to educate practicing engineers and students about biofuels for transportation. Biofuels are made from renewable materials such as plants and organic waste. Conventional transportation fuels such as gasoline or diesel are made from petroleum. Although biofuels are alternative fuels, not all alternative fuels are biofuels. For example, natural gas and propane are alternative fuels, but not biofuels. It discusses ethanol, biodiesel, and hydrogen in detail. The chapter enumerates other biofuels that are less well known yet potentially valuable. Each of the three central biofuels is reviewed objectively. Advantages and disadvantages are discussed as well as engineering and research issues. Keywords: biodiesel; biofuels; ethanol; hydrogen