Scientists Want More Ethanol Research

A tanker leaves the Tall Corn Ethanol plant after loading up with ethanol, in this May 24, 2006, file photo in Coon Rapids, Iowa. More research into boosting corn yields and improving ethanol production is urgently needed if the nation is to balance its food and energy needs, scientists warned. (AP Photo/Charlie Neibergall)

(AP) -- To ensure there's enough corn to fuel humans as well as vehicles, scientists are urging more research into boosting corn yields and improving ethanol production.

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