1. Commission of the European Communities, Communication from the Commission on alternative fuels for road transportation and on a set of measures to promote the use of biofuels. COM, Brussels (2001).
2. Commission of the European Communities. Communication from the Commission on An EU Strategy for Biofuels. COM, Brussels (2006).
3. Biofuels Research Advisory Council, Final draft report. Biofuels in the European Union. A Vision for 2030 and Beyond (2006).
4. EUROBSERVER, Biofuels Barometer, pp. 39–50, June (2005).
5. Introduction, in The Biodiesel Handbook, ed. by and . AOCS Press, Champain, IL, pp. 1–3 (2005).