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Beijing's 5.7 million vehicles produce 500,000 tonnes of various pollutants annually and account for 31 percent of locally-generated PM 2.5, a particulate matter associated with hazardous smog, making it the prime source of PM2.5, according to the environmental authority.
Zhang said that the law also plays a role in promoting Chinese movie exports to extend visibility and impact overseas.
Beijing has a four-tier color alert system for pollution, with red being the highest, followed by orange, yellow and blue. The blue alert means the air quality index is forecast to reach between 200 and 300 PM2.5 for one day.
In the first three quarters, the Liaoning economy contracted by 2.2 percent, the only provincial area with negative growth in the period. But the annual fiscal revenue in 2016 turned from contraction to growth, up 3.4 percent year on year to nearly 220 billion yuan.
TIANJIN, March 8 (Xinhua) -- China and Russia are cooperating on marine technology in the China-Mongolia-Russia economic corridor under the Belt and Road Initiative.
来源：资阳报