01103naa a2200181 a 450000100080000000500110000800800410001910000190006024500750007926000090015450000790016352004390024265000210068165000170070265000110071970000250073077301660075516629902010-04-06       2008    bl uuuu     u00u1 u    #d1 aMUELLER, C. C.  aThe expansion of ethanol as a fuel and the use of land in the cerrado.  c2008  aEvento organizado por University of Illinois e Universidade de São Paulo.  aUntil recently biofuels were in high regard with the public opinion; they were renewable, exhibited larde energy efficiencies, some had low costs and, especially, offered opportunities for the reduction of greenhouse gas emissions from transport. In the last years, however, a growing barrage of criticism - some no doubt politically motived - brought in misgivings regarding the real contribuition of biofuels, among them, ethanol...  aCana de Açúcar  aCombustível  aEtanol1 aMARTHA JUNIOR, G. B.  tIn: ILHABELA CONFERENCE, 2008, Ilha Bela, SP. The socio-economic impacts of energy in the past, present and future: a comparison of Brazil and the United States.