Corn: Food or fuel?

ybl.buis.smith.corn.ethanol.food.fuel_00010105
ybl.buis.smith.corn.ethanol.food.fuel_00010105

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    Corn: Food or fuel?

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Corn: Food or fuel? 06:40

Christine Romans moderates a debate between Tom Buis and Aaron Smith over the percentage of U.S. corn used in ethanol production.