Brazil serves as a destination for corn-ethanol exports from the Midwest, as well as a supplier of sugarcane ethanol for California, whose mandates require the use of noncorn biofuels, this article notes. U.S. ethanol producers are fighting California's renewable-energy policy, and are working to bring E15 to market to increase domestic demand. "I think that biofuels are here to stay. But the increase in production and demand in the coming years will depend on many factors such as government policies, oil [prices] and technological breakthroughs that might occur," said Christine Lasco Crago, a researcher at the University of Illinois and the Energy Biosciences Institute.

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