In Brazil people are talking about biofuels. Biofuels were hailed as the solution to fossil fuel carbon emissions, rather like biomass is in the United Kingdom today. Brazil produces large quantities of biofuel, mainly from sugar cane, which is turned into ethanol. This is pumped from what used to be petrol pumps and propels transport all over Brazil.
Of course there is no free lunch in energy, and the complexities of life on earth means that the biofuel panacea turned into a biofuel poison. (more…)