Pryor Corn Workshop

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	Pryor Corn Workshop Show Statistics


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Published:	February 29, 2008

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Slide 1: Dr. Scott Pryor NDSU Agricultural and Biosystems Engineering Steele and Trail Counties Corn Workshop Feb 26, 2008 Slide 2: Why Ethanol? • Transportation Fuel • Petroleum Displacement • GHG Emissions • Air/Water Quality • Cut Petroleum Imports • Rural Economies • Cheaper Fuel (?) Slide 4: Estimations for Energy Balance Corn Yield Co-products Feedstock transportation Irrigation Farm Machinery Industrial Energy/Source Ethanol Yield Fertilizer Input Worker Food? Agr Energy Inputs Slide 6: A.E Farrell et al, (2006) Ethanol can contribute to energy and environmental goals, Science Slide 8: Environmental Benefits Slide 9: Ethanol Summary Energy: Net Energy – marginal, poor metric Petroleum Reduction - positive Environment: Marginal on most fronts Economics: Decreases petroleum imports (somewhat) Ag commodities up

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