In recent years, with the continuous improvement of people's quality of life, car ownership is also increasing. While bringing convenience to life, it has also become an important source of air pollution in China.
The results show that the contribution of mobile sources to PM2.5 concentration in Beijing, Tianjin and Shanghai is 13.5% to 52.1%.
In June 2018, the State Council issued the "Three-year Action Plan for Defending the Blue Sky", which requires that from July 1, 2019, the Sixth National Emission Standard should be implemented in advance in key regions, the Pearl River Delta region and Chengdu-Chongqing region, so as to further improve the quality of the atmospheric environment and promote the high-quality development of the automobile industry.
From the perspective of technology and industry preparation, automobile manufacturers have completed most of the development work of the Sixth National Emission Standard model, and now they have entered the stage of mass production and sales.
As of June 20, 2019, environmental protection information has been made public in 99 light vehicle enterprises, 2144 the Sixth National Emission Standard models and 60 heavy vehicle manufacturers, 896 the Sixth National Emission Standard models.
From the perspective of automobile sales market, the Sixth National Emission Standard model has been fully listed, and the market has basically been stable excessed. From the point of view of oil supply, on January 1, 2019, the whole country has fully supplied the the Sixth National Emission Standard gasoline and diesel oil, which has laid a solid foundation for the implementation of the sixth national standard for motor vehicles.