其次，中国迫切需要治理主要由汽车尾气造成的城市污染。
Second, it desperately needs to clean its urban centres of pollutants largely produced by exhaust pipes.
王平：我们正在下大力气治理环境，比如绿化、汽车尾气等方面。
Wang Ping: We are working on that with great efforts. For instance, reforesting, dealing with the tail gas of the automobile etc.
液化石油气(英文缩写为LPG)做为一种新型的能源，可以有效地治理汽车尾气污染。改善大气环境。
The use of LPG a new energy, can effectively reduce the offgas pollution and improve the atmosphere.
催化剂技术是治理汽车排气污染物的重要手段之一，催化转化器是控制汽车尾气排放的主要设备。
Catalytic technique is one of the major way in purification of automotive exhaust gases, and catalytic converters are main devices for control of automotive emission.
综述了国内外在汽车尾气污染治理方面四种技术手段的进展情况，针对目前我国汽车尾气污染的现状与发展趋势，进行了分析和展望。
Progress on four kinds of purification technology on automobile exhaust was reviewed, and current status and trend of purification on automobile exhaust in China were analyzed.
因此，探索更为环保高效无害的技术和方法来治理汽车尾气污染已迫在眉睫。
Therefore, exploring more environmental and more effective to govern the automobile exhaust is to be imminent.
随着我国对汽车排放法规的日趋严格，催化净化技术对汽车尾气的治理显得尤为重要。
As the laws and regulations on car emission get more and more restrictive, it becomes a vital technology to control the car emission by catalyzing and refining.
随着我国对汽车排放法规的日趋严格，催化净化技术对汽车尾气的治理显得尤为重要。
As the laws and regulations on car emission get more and more restrictive, it becomes a vital technology to control the car emission by catalyzing and refining.
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