1. European Road Transport Research Advisory Council (ERTRAC)http://cordis.europa.eu/technology-platforms/ertrac_en.html
2. European Commision, 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;Off. J. Eur. Union,2003
3. Well-to-Wheels Analysis of future Automotive Fuels and Powertrains in The European Context;Edwards,2011
4. Internal Combustion Engine Fundamentals;Heywood,1988
5. Motores de Combustão Interna;Martins,2006