环境保护部上周六发布的报告称，机动车已成为我国空气污染的重要来源。
Automotive vehicles have emerged as a major source of China's air pollution, according to a report released by the Ministry of Environmental Protection (MEP) last Saturday.
该报告显示，截至去年年底，我国上路机动车达2.95亿辆，排放污染物4473万吨，同比减少1.3%。
China had 295 million automotive vehicles on its roads as of the end of last year, emitting pollutants weighing about 44.73 million tons, down 1.3% year-on-year, the report showed.
环保部高级官员刘炳江称，针对国内15个大城市空气污染物进行的分析显示，包括机动车在内的本地移动排放源对细颗粒物总浓度的贡献范围约为13.5%至41%。
Analysis of air pollutants of 15 major Chinese cities showed that local mobile emitters, a category that includes vehicles, contributed to about 13.5% to 41% of total fine particle concentration, according to Liu Bingjiang, a senior official with MEP.
刘炳江还表示，环保部将加强对机动车生产、使用、淘汰的监管，以减轻空气污染。
The MEP will enhance supervision on the production, use and elimination of automotive vehicles to reduce air pollution, Liu added.