“从6月15日起,北京市五环路以内及怀柔区,凡是政府投资的工程,必须使用新型渣土车。7月1日以后,全市严禁使用旧型渣土车。6月15日以前,城六区使用新型渣土车的比例要达到80%,郊区县使用新型渣土车比例要达到60%,到7月1日以后,全市严禁使用旧型渣土车。”5月29日,在“北京市渣土运输车辆管理办法及车辆补助资金政策宣贯活动”现场,北京市政市容管委会委员刘国瑞,对北京 “From June 15 onwards, within the Fifth Ring Road in Beijing and Huairou District, all the government investment projects must use a new type of truck.After July 1, the city banned the use of the old truck.June 15 In the past, the proportion of using new type of vehicles in urban areas to reach 80%, suburban counties to use new types of vehicles to reach 60%, after July 1, the city prohibited the use of old vehicles. ”May 29 Day, “Beijing muck transport vehicles management approach and vehicle subsidy fund policy propaganda activities ” scene, Beijing Municipal Committee of City Appearance Management Liu Guorui, Beijing