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当今交通工具特别是汽车排放的废气，对空气的污染引起了世界各国的普遍关注。营造一个洁净清新的生存空间，成为世界性面临急待解决的重要问题。如何减少汽车对空气的污染？据国内外的考察和技术经济可行性分析。正进入实用推广阶段的只有气体燃料—天然气和液化石油气。才是
Today’s transport vehicles, especially the exhaust of vehicles, the air pollution caused widespread concern in all countries in the world. To create a clean and fresh living space has become an important issue facing the world in urgent need of solution. How to reduce the car’s air pollution? According to domestic and foreign investigation and technical and economic feasibility analysis. Only into the practical promotion phase of gas fuel - natural gas and liquefied petroleum gas. That’s it