1. EPA Finalizes 2013 Renewable Fuel Standards,2013
2. Energy Independence and Security Act of 2007,2007
3. Biofuels from crop residues
4. Effects of Corn Ethanol and Soy-Based Biodiesel Production on Soil Erosion and Return of Conservation Reserve Program Land to Crop Productionhttp://www.ag.auburn.edu/biopolicy/documents/CRP%20&%20Erosion%20Effects%20of%20Expanded%20BioEnergy%20Production.pdf
5. The New Gold Rush: Fueling Ethanol Production while Protecting Water Quality