"Portaria Nº 143, de 27 de Junho de 2007" (in Portuguese). Ministério da Agricultura, Pecuária e Abastecimento. Retrieved 2008-10-05. This decree fixed the mandatory blend at 25% starting July 1st, 2007
Thomas L. Friedman (2008). Hot, Flat, and Crowded. Farrar, Straus and Giroux, New York. p. 190. ISBN978-0-374-16685-4. The author considers that ethanol can be a transport solution for Brazil, but one that only can be replicated in other tropical countries, from Africa to the Caribbean.
"DENATRAN Frota 2011" (in Portuguese). Departamento Nacional de Trânsito. Archived from the original on 2012-08-01. Retrieved 2012-01-22. Through December 2011 DENATRAN reports a total registered fleet of 70.5 million, including motorcycles, trucks and special equipment, 52.1 million excluding two- and three-wheeler, and 39.8 million automobiles and light commercial vehicles.
Marli Olmos (2007-11-26). "Partida a Frio Chega com a Linha 2009" (in Portuguese). Automotive Business. Archived from the original on 2008-11-01. Retrieved 2008-10-15. Originally published in Revista Valor Econômico.
"DENATRAN Frota 2011" (in Portuguese). Departamento Nacional de Trânsito. Archived from the original on 2012-08-01. Retrieved 2012-01-22. Through December 2011 DENATRAN reports a total registered fleet of 70.5 million, including motorcycles, trucks and special equipment, 52.1 million excluding two- and three-wheeler, and 39.8 million automobiles and light commercial vehicles.
Fábio Amato e Filipe Matoso (2015-03-16). "Mistura de etanol na gasolina sobe hoje" [Ethanol content in gasoline rises today]. Globo.com (in Portuguese). Retrieved 2015-03-22.
Hausmann, Ricardo; Rodrigo Wagner (October 2009). "Certification Strategies, Industrial Development and a Global Market for Biofuels". Belfer Center for Science and International Affairs and Sustainability Science Program, Center for International Development, John F. Kennedy School of Government, Harvard University. Archived from the original on 2010-01-22. Retrieved 2010-02-09. Discussion Paper 2009-15. The authors found that for some countries in Central Africa and Latin America ethanol can represent a large industry, at least relative to current exports. The list of the relative importance of biofuels (sugarcane ethanol in particular and replicating the Brazilian production system) is headed by Suriname, Guyana, Bolivia, Paraguay, DR of Congo, and Cameroon. See pp. 5–6
William Kovarik (2008). "Ethanol's first century". Radford University. Archived from the original on 2008-12-11. Retrieved 2008-11-13. This paper was originally presented in the XVI International Synposium on Alcohol Fuels, and augmented or slightly revised with the addition of new information in 2006–2008.
"Here comes the 'Flex' vehicles third generation"(PDF). Revista Brasileira de BioEnergia (in Portuguese). Centro Nacional de Referência em Biomassa (Cenbio). August 2008. Archived from the original(PDF) on 2008-10-03. Retrieved 2008-09-23. Ano 2, No. 3 (every article is presented in both English and Portuguese)
Hausmann, Ricardo; Rodrigo Wagner (October 2009). "Certification Strategies, Industrial Development and a Global Market for Biofuels". Belfer Center for Science and International Affairs and Sustainability Science Program, Center for International Development, John F. Kennedy School of Government, Harvard University. Archived from the original on 2010-01-22. Retrieved 2010-02-09. Discussion Paper 2009-15. The authors found that for some countries in Central Africa and Latin America ethanol can represent a large industry, at least relative to current exports. The list of the relative importance of biofuels (sugarcane ethanol in particular and replicating the Brazilian production system) is headed by Suriname, Guyana, Bolivia, Paraguay, DR of Congo, and Cameroon. See pp. 5–6
William Kovarik (2008). "Ethanol's first century". Radford University. Archived from the original on 2008-12-11. Retrieved 2008-11-13. This paper was originally presented in the XVI International Synposium on Alcohol Fuels, and augmented or slightly revised with the addition of new information in 2006–2008.
"Here comes the 'Flex' vehicles third generation"(PDF). Revista Brasileira de BioEnergia (in Portuguese). Centro Nacional de Referência em Biomassa (Cenbio). August 2008. Archived from the original(PDF) on 2008-10-03. Retrieved 2008-09-23. Ano 2, No. 3 (every article is presented in both English and Portuguese)
Marli Olmos (2007-11-26). "Partida a Frio Chega com a Linha 2009" (in Portuguese). Automotive Business. Archived from the original on 2008-11-01. Retrieved 2008-10-15. Originally published in Revista Valor Econômico.