MacLean, Heather and Sabrina Spatari. 2009. The Contribution of Enzymes and Process Chemicals to the Life Cycle of Ethanol. Environmental Research Letters 4: 014001.
Milbrandt, A. 2005. A Geographic Perspective on the Current Biomass Resource Availability in the United States. National Renewable Energy Laboratory. Technical Report, NREL/TP-560-39181. Golden, CO.
Perlack, Robert D., Lynn L. Wright, and Anthony F. Turhollow. 2005. A Bioenergy and Bioproducts Industry: The Technical Feasibility of a Billion Ton Annual Supply. A report prepared for the United States Department of Energy and the United States Department of Agriculture. Oak Ridge National Laboratory. Oak Ridge, TN. www.ornl.gov/~webworks/cppr/y2001/rpt/123021.pdf.
Babcock, Bruce A. 2009. Intricacies of Meeting the Renewable Fuels Standard, Iowa Ag Review, 4-6.
Eidman, Vernon R. 2007. The Evolving Ethanol Industry in the United States. Paper was prepared for presentation at a session titled “The Economic Impact of Ethanol Development in North America.” Canadian Agricultural Economics Society, Portland, OL.
Food and Agriculture Organization of the United Nations. 2009. The State of Food and Agriculture 2008: Biofuels: Prospects, Risks and Opportunities. Rome, Italy.
Fortenberry, T. Randall and Hwanil Park 2009. Is Ethanol of Blame for High Food Prices? Status of Wisconsin Agriculture—Special Article: Bioenergy and Agriculture in Wisconsin.
Kleinschmit, Jim. 2007. Biofueling Rural Development: Making for Case for Linking Biofuel Production to Rural Revitalization. Carsey Institute, University of New Hampshire, Policy Brief Number 5, Winter 2007.
Low, Sarah A. and Andrew M. Isserman. 2009. Ethanol and the Local Economy: Industry Trends, Location Factors, Economic Impacts, and Risks. Economic Development Quarterly 23:1: 71-88.
Sexton, Steven, Deepak Rajagopal, David Zilberman and Gal Hochman 2008. Food versus Fuel: How Biofuels Make Food More Costly and Gasoline Cheaper. Agricultural and Resource Economics Update, University of California 12:1.