1. API (2008) “Shipping Ethanol Through Pipelines.” American Petroleum Institute. Available at http://www.api.org/aboutoilgas/sectors/pipeline/upload/pipelineethanolshipment-2.doc . Accessed on May 15, 2009.
2. Babcock BA, Hayes DJ and Lawrence JD (eds) (2008) “Using Distillers Grains in the U.S. and International Livestock and Poultry Industries,” Midwest Agribusiness Trade Research and Information Center, Iowa State University, Ames, IA
3. Brat I and Machalaba D (2007) “Can Ethanol Get a Ticket to Ride?,” The Wall Street Journal, Feb. 1, p. B1.
4. Brown R, Orwig E, Nemeth J and Subietta Rocha C (2007) “Economic potential for ethanol expansion in Illinois”, Illinois Institute for Rural Affairs at Western Illinois University, Macomb, IL.
5. CRS (2007) “Ethanol and Other Biofuels-Potential for U.S.-Brazil Energy Cooperation.” Congressional Research Service, Washington, DC.