emission control regulations

例句：

1. 1. The city has strict emission control regulations for vehicles.
   这个城市对车辆有严格的排放控制法规。
2. 2. The new regulations require all companies to reduce their emissions by 30%.
   新的法规要求所有公司将排放量减少30%。
3. 3. The government is working on developing more stringent emission control regulations.
   政府正在努力制定更严格的排放控制法规。