Hot weather worsens air pollution by turning car exhaust into smog, which can make life miserable for people with asthma and other breathing problems.
炎热的天气使汽车尾气变成烟雾，加剧了空气污染，这可能使患有哮喘和其他有呼吸问题的人的生活更加痛苦。
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Article 24. Administrations in charge of the production and maintenance of motor vehicles and vessels should include prevention of their exhaustpollution in the respective sectional quality control.
第二十四条机动车船生产、维修管理部门应当将机动车船排气污染防治纳入行业质量管理。
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This results in diesel vehicles in Beijing to try to improve the exhaustpollution effect is very good, should be used widely.