Links (fontes de pesquisa)

http://arquivosbrasilbio.blogspot.com/2007/07/contexto-histrico.html
http://usinasbr.blogspot.com/2008/04/usinas-de-biodiesel-no-brasil.html
http://www.youtube.com/watch?v=dqcUp-DCyHU&feature=related
http://www.biodieselbr.com/charges/orlandeli/b4-d96-220709.htm
http://www.biodieselbrasil.com.br/noticias.asp?id=191&cat=80
http://www.mre.gov.br/dc/temas/Biocombustiveis_09-programabrasileirobiodiesel.pdf
http://www.infoescola.com/ecologia/digestao-anaerobica/
http://www.revistameioambiente.com.br/2009/02/04/oleo-de-fritura-vira-combustivel-em-quixada/