最近,政府对汽车产业又有新政,汽车节能环保认证制度即将实行,北京也要提前在2008年实现新车国IV的排放标准。节能与环保,又一次成了汽车行业的焦点。大气环境问题日渐凸现、油价不断攀升,汽车数量激增所带来的社会影响有目共睹,如不能从根本上解决问题,所产生的危害不仅会影响 Recently, the government has a new policy for the automobile industry. The automobile energy saving and environmental protection certification system is about to be put into force. Beijing must also meet the emission standard for the new vehicle IV by 2008. Energy conservation and environmental protection, once again became the focus of the automotive industry. Atmospheric and environmental issues are increasingly prominent, rising oil prices, the surge in the number of cars brought about by the social impact of all obvious, if not fundamentally solve the problem, the harm will not only affect