Biofuels, such as ethanol made from corn and biodiesel made from soybeans, are an increasingly popular and controversial energy source. This title examines the issues related to biofuels using a narrative-driven pro/con format supported by facts, quotes, anecdotes, and full-color illustrations. Topics include: Should the US government continue to support ethanol production? Can biofuels help reduce greenhouse gas emissions? Does biofuels development threaten to harm global food production? Are biofuels essential to national security?