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August 22, 2012Drought, food prices and biofuels12 minutesPlayDrought has pushed up prices. Should we quit making ethanol from corn?...moreShareView all episodesBy Dr. Tom BrummAugust 22, 2012Drought, food prices and biofuels12 minutesPlayDrought has pushed up prices. Should we quit making ethanol from corn?...more
August 22, 2012Drought, food prices and biofuels12 minutesPlayDrought has pushed up prices. Should we quit making ethanol from corn?...more