Corn needs to be used for food not fuel due to drought.
The head of the UN's Food and Agricultural Organization urged the United States to halt its biofuel output to prevent a food crisis, in an editorial published by the Financial Times on Friday.
"An immediate, temporary suspension" of a mandate to reserve some crops for biofuels "would give some respite to the market and allow more of the (corn) crop to be channeled towards food and feed uses," Jose Graziano da Silva wrote.
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