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Research suggests that in the short run, the production, distribution, and consumption of ethanol will create about 20 percent fewer greenhouse-gas emissions than the equivalent processes for gasoline. In the long run, the result is less clear. If increases in the production of ethanol led to a large amount of forests or grasslands being converted into new cropland, those changes in land use could more than offset any reduction in greenhouse-gas emissions. This presentation will discuss both of these issues in the context of current economic and market conditions with an eye toward future impacts of alternative fuels.


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