1. The path forward for biofuels and biomaterials;Ragauskas;Science,2006
2. Environmental, economic, and energetic costs and benefits of biodiesel and ethanol biofuels;Hill;Proceedings of the National Academy of Sciences,2006
3. The food v. fuel debate: a nuanced view of incentive structures;Srinivasan;Renewable Energy,2009
4. Energy Independence and Security Act of 2007. Public Law 110–140 (H.R. 6), 2007; Title XVI.
5. Directive 2003/30/EC of the European Parliament and of the Council of 8 May 2003 on the promotion of the use of biofuels or other renewable fuels for transport. Official Journal of the European Union 2003; L 123/42.