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2008 Energy Balance for the Corn-Ethanol Industry

Author

Listed:
  • Shapouri, H.
  • Gallagher, Paul W.
  • Nefstead, Ward
  • Schwartz, Rosalie
  • Noe, Stacey
  • Conway, Roger

Abstract

The Agricultural Resource Management Survey of corn growers for the year 2005 and the 2008 survey of dry mill ethanol plants are used to estimate the net energy balance of corn ethanol. This report measures all conventional fossil fuel energy used in the production of 1 gallon of corn ethanol. The ratio is about 2.3 BTU of ethanol for 1 BTU of energy inputs, when a portion of total energy input is allocated to byproduct and fossil fuel is used for processing energy. The ratio is somewhat higher for some firms that are partially substituting biomass energy in processing energy.

Suggested Citation

  • Shapouri, H. & Gallagher, Paul W. & Nefstead, Ward & Schwartz, Rosalie & Noe, Stacey & Conway, Roger, 2010. "2008 Energy Balance for the Corn-Ethanol Industry," ISU General Staff Papers 201006010700001019, Iowa State University, Department of Economics.
    • Handle: RePEc:isu:genstf:201006010700001019
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    1. is not listed on IDEAS
    2. Editors: & Duffield, James A. & Johansson, Robert & Meyer, Seth, 2015. "U.S. Ethanol: An Examination of Policy, Production, Use, Distribution, and Market Interactions," USDA Miscellaneous 392427, United States Department of Agriculture.
    3. Mallory, Mindy L. & Irwin, Scott H. & Hayes, Dermot J., 2012. "How market efficiency and the theory of storage link corn and ethanol markets," Energy Economics, Elsevier, vol. 34(6), pages 2157-2166.
    4. Mousavi-Avval, Seyed Hashem & Shah, Ajay, 2021. "Life cycle energy and environmental impacts of hydroprocessed renewable jet fuel production from pennycress," Applied Energy, Elsevier, vol. 297(C).

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