PIRACICABA: Brazil thinks it has the sweet solution to ridding the world of reliance on fossil fuels for cars and other vehicles: sugarcane ethanol 2.0. Ethanol — fuel derived from agricultural products — is already well established in Brazil, where more than 60 per cent of 36 million vehicles run on ethanol or ethanol-fuel flex systems, rather than straight petrol or diesel. Second-generation ethanol, dubbed 2.0 or 2G, can be obtained from the remnants of sugarcane after sugar and standard ethanol production, and therefore requires no new plantations.