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根据当前世界交通运输能源技术水平，分别讨论了酒精、天然气和氢气燃料的资源情况，分析了这些燃料应用于汽车的优缺点，着重探讨了酒精应用于汽车的前景、环境效果及与汽油发动机的兼容性。
According to the current level of energy technology in transportation in the world, the resources of alcohol, natural gas and hydrogen fuel were discussed respectively. The advantages and disadvantages of these fuels used in automobiles were analyzed. The prospects for the application of alcohol in automobiles, the environmental effects and the relationship between the alcohol and gasoline engines compatibility.