1. Nebraska Energy Office. Energy Statistics;available athttp://www.neo.ne.gov/.
2. Renewable Fuels Association. Ethanol Biorefinery Statisticsavailable athttp://www.ethanolrfa.org/.
3. Ethanol and Motor Fuels (Energy Policy Act of 2005).Public Law 109-58 (H.R. 6), 2005; Title XV.
4. U.S. Environmental Protection Agency. Combined Heat and Power Partnership: Dry Mill Ethanol;available athttp://epa.gov/chp/markets/ethanol.html.