1. Al-Riffai, P., Dimaranan, B., Laborde, D., 2010. Global Trade and Environmental Impact Study of the EU Biofuels Mandate. Final Report. International Food Policy Research Institute (IFPRI). Available at: http://www.ifpri.org/sites/default/files/publications/biofuelsreportec.pdf.
2. A limited LCA comparing large- and small-scale production of rape methyl ester (RME) under Swedish conditions;Bernesson;Biomass & Bioenergy,2004
3. Broch, A., Hoekman, S.K., Gertler, A., Robbins, C., Natarajan, M., 2009. Biodistillate Transportation Fuels 3 – Life-Cycle Impacts. SAE 2009-01-2768. SAE International.
4. Broch, A., Hoekman, S.K., Unnasch, S., 2012. Transportation Fuel Life Cycle Analysis: A Review of Indirect Land Use Change and Agricultural N2O Emissions. CRC Report No. E-88-2. Available at: www.crcao.org.
5. California Air Resources Board, 2009. California Low Carbon Fuel Standard Program. Available at: http://www.arb.ca.gov/fuels/lcfs/lcfs.htm.