"The United Nations (UN) food agency has called on the United States to suspend its production of biofuel ethanol.
Under US law, 40% of the corn harvest must be used to make biofuel, a quota which the UN says could contribute to a food crisis around the world.
A drought and heatwave across the US has destroyed much of the country's corn crop, driving up prices. The US argues that producing much of its own fuel, rather than importing it, is good for the country."More ... Less ...
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