The correct types of biofuels must be promoted to successfully combat climate change _ unlike corn, which has a very low productivity, a senior U.N. environment official said Tuesday.
Plans to expand biofuel production in many parts of the world are coming under closer scrutiny following a recent spike in food prices and fears that two industries may be competing.
"I think it's a question of making sure the correct biofuels are being promoted, and not others," Christophe Bouvier, director of the U.N. Environment Program in Europe, said in an interview with The Associated Press.
"There are cases, such as sugar cane in Brazil for …
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