德国大众汽车公司和美国通用汽车公司设在巴西的分公司经过长期合作，在可同时使用汽油和酒精的双燃料汽车的研制方面取得了积极进展。 该车双用发动机的原理是在油箱里设置一个探测器，对燃料性质进行分析后将信息传递给燃烧系统，自动调解氧气和燃料的比例，从而使不同的燃料 After a long period of cooperation, Volkswagen AG of Germany and General Motors Brazil subsidiary have made positive progress in the development of bi-fuel vehicles that can use both gasoline and alcohol. The car dual-engine principle is set in the tank of a detector, the nature of the fuel analysis of the information passed to the combustion system, automatically adjust the proportion of oxygen and fuel, so that different fuels