1. Egeback KE. Experiences from the use of ethanol for heavy duty compression ignition engines. SAE Paper 931630. SAE Brazil: Sao Paulo; 1993.
2. Birath K. Experiences from introduction of ethanol buses and ethanol fuel stations. Technical report no. D 2.1 and D 2.2. Stockholm; June 2007.
3. Fenton P, Carlsson H. Bioethanol for sustainable transport results and recommendations from the European BEST Project. Lenanders Grafiska AB: Kalmar; 2010. p. 66–72.
4. Moreira J, Apolinário S, Coelho S, Velázquez S, Melo EH, Elmadjian PH. Bioethanol for sustainable transport – BEST project. SAE Paper 2008-36-0216. SAE Brazil: Sao Paulo. 2008.
5. Velázquez S, Apolinário SM, Melo EH, Elmajian PHB, Janssen R, Hofer A. Report on experiences of ethanol buses and fuel stations in São Paulo. Final report. Report no D2.07. São Paulo; December 2009.