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Biofuels Will Soon Be Made from Non-Food Sources

Experts say that turning certain varieties of grass or other plants into what's known as biofuels could limit the effects of global warming. Common biofuels include sugarcane and plant known as switchgrass, which a USDA's study found could reduce greenhouse gas emissions by ninenty-four perdcent compared to gasoline. Click here for the full text version of the Radio Roundup (PDF).