The reporter learned from Xi'an City Motor Vehicle Pollution Special Governance Promotion Conference that Xi'an City will announce the vehicle environmental protection standard vehicle catalogue before the end of June this year. It is forbidden to enter the Xi'an market for vehicle brands that do not meet the catalogue and discharge standards. Source to control motor vehicle pollution emissions. Xi'an will also strictly check the scrapped vehicles on the road and find one, seize one, and scrap the one. For owners who have not been scrapped by the yellow label, they will not be registered for new vehicles.
It is understood that motor vehicle pollutant emissions are one of the main sources of PM2.5. In the past five years, the number of motor vehicles in Xi'an has increased by more than 15% every year. At present, it has exceeded 2.4 million vehicles and consumes 1.7 million tons of fuel per year. According to estimates, the total discharge of four major pollutants in motor vehicles is about 320,000 tons, accounting for more than 20% of atmospheric pollution. There is a tendency to surpass soot pollution as the primary source of pollution.
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