本文介绍了汽车排放对人类和环境的主要影响以及国外为达到超低排放目标所采取的技术对策。
The main influence of emission on human being and environment is introduced in this paper. The foreign technical countermeasures to reach ULEV's requirements are stated.
例如,使用壳牌超低粘度机油可以提高汽车的燃油效率,从而减少二氧化碳的排放。
For example, using Shell Helix Ultra low viscosity motor oils can improve a car's fuel efficiency and thereby reduce CO2 emissions.
为了满足这些排放法规,汽车制造商不得不优化相关的燃烧、后处理和燃料等技术,从而开发超低排放发动机系统。
To comply with these regulations, automakers are being forced to develop ultra low-emission engine systems by optimizing combinations of technologies related to combustion, aftertreatment and fuel.
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