“我们现在很犹豫,不知道现在该购买哪种排放标准的车辆?”在珠三角地区第四阶段国家机动车污染物排放标准(简称国Ⅳ)“执行”伊始,深圳运发集团机务部部长于怀勇在采访中表示,深运发近期在购买新车时在国Ⅲ和国Ⅳ排放标准之间犹豫徘徊。其实,随着珠三角国Ⅳ时代的到来,心怀顾虑的不止深运发一家。在珠三角西翼城市江门,该地最大的运输企业——江门汽运集团 “We are very hesitant now, do not know what kind of emission standards should be purchased vehicles?” “In the fourth phase of the Pearl River Delta Region State Motor Vehicle Emissions Standards (hereinafter referred to as IV) ” Executive "at the beginning, Shenzhen Yun Fat Yu Huaiyong, Minister of the Group’s Operations Department, said in an interview that Shen Yun Fa recently hesitated to hover between the emission standards of the State III and the State IV when buying new cars. In fact, with the arrival of the Pearl River Delta Nation IV era, there are more concerns about the development of Shen Yun. In the Pearl River Delta West Wing City Jiangmen, the largest transport company - Jiangmen Qiyun Group