References
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- US EPA. 40 CFR Part 80, Regulation of Fuels and Fuel Additives: 2013 Renewable Fuel Standards. US EPA, Washington, DC, USA (2013).
- US Congress. Energy Independence and Security Act of 2007. H.R. 6, 110 Congress, 1st Session. US Congress, Washington, DC, USA (2007).
- Tyner W, Viteri D. Implications of blending limits on the US ethanol and biofuels markets. Biofuels1(2),251–253 (2010).
- US EPA. EPA Proposes 2014 Renewable Fuel Standards. US EPA, Washington, DC, USA (2013).
- US EPA. EPA Proposes 2014 Renewable Fuel Standards, 2015 Biomass-Based Diesel Volume. EPA-420-F-13-048. US EPA, Washington, DC, USA (2013).
- European Commission. Directive 2009/28/EC of the European Parliament and of the Council of 23 April 2009 on the Promotion of the Use of Energy from Renewable Sources and Amending and Subsequently Repealing Directives 2001/77/EC and 2003/30/EC (Text with EEA relevance). European Commission, Brussels, Belgium (2009).
- EU Parliament votes in favor of 6% cap on food-based biofuels in 2020 transport fuel. Ethanol and Biofuels News, 18 September 2013.
- Tyner WE. Biofuels and food prices: separating wheat from chaff. Global Food Security2,126–130 (2013).
website
- European Parliament votes to limit crop-based biofuels. http://blogs.nature.com/news/2013/09/european-parliament-votes-to-limit-crop-based-biofuels.html