Biofuels, Solar and Wind as Renewable Energy Systems

pp 373-394

Ethanol Production Using Corn, Switchgrass and Wood; Biodiesel Production Using Soybean

  • David PimentelAffiliated withCollege of Agriculture and Life Sciences, Cornell University
  • , Tad PatzekAffiliated withDepartment of Civil and Environmental Engineering, University of California

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In this analysis, the most recent scientific data for corn, switchgrass, and wood, for fermentation/distillation were used. All current fossil energy inputs used in corn production and for the fermentation/distillation were included to determine the entire energy cost of ethanol production. Additional costs to consumers include federal and state subsidies, plus costs associated with environmental pollution and/or degradation that occur during the entire production process. In addition, an investigation was made concerning the conversion of soybeans into biodiesel fuel.


Energy biomass fuel natural resources ethanol biodiesel