Ethanol test for Obama backing science over politics
12 May 2009

President Barack Obama's commitment to take on climate change and put science over politics is about to be tested as his administration faces a politically sensitive question about the widespread use of ethanol: Does it help or hurt the fight against global warming?
The Environmental Protection Agency is close to proposing ethanol standards. But two years ago, when Congress ordered a huge increase in ethanol use, lawmakers also told the agency to show that ethanol would produce less pollution linked to global warming than would gasoline.
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