面对越来越严峻的能源问题,各国都在积极寻找能减少石油消耗的方法,使用各种燃料来替代汽油就是途径之一,但这种方法实际吗?有专家从各方面提出了质疑。目前从谷物中提取乙醇作燃料的方法会对农产品价格产生压力,运输乙醇需要专门的车辆而不是传统的石油管道,即使是乙醇燃料自身也还存在问题。我们离新型能源究竟还有多远? In the face of increasingly severe energy problems, various countries are actively seeking ways to reduce oil consumption. The use of various fuels as alternatives to gasoline is one of the ways. But is this method practical? Some experts have raised questions from various aspects. The current method of extracting ethanol from grain as fuel will put pressure on the prices of agricultural products. The transport of ethanol requires specialized vehicles instead of traditional oil pipelines. Even ethanol fuel itself has problems. How far are we from new energy?