3月29日,东风汽车股份有限公司商品研发院产品开发三部发动机科首席设计师余国强接受了《商用汽车新闻》记者的采访。“目前东风汽车主要有两个国Ⅳ产品平台,其中一个已实现销售,另一个还在进行试验。”余国强告诉《商用汽车新闻》记者,东风汽车以较为传统的技术路线为主。“以DOC技术路线为主的产品已在销售,并实现了量产;另外一条采用EGR+DOC。” On March 29, Yu Guoqiang, chief designer of three engine departments of Product Development Department of Dongfeng Motor Co., Ltd., accepted the interview with “Commercial Vehicle News” reporter. “At present, Dongfeng Motor mainly has two national IV product platforms, one of which has achieved sales and the other is still undergoing testing.” Yu Guoqiang told Commercial News that DFRE is based on the more traditional technical routes. “To DOC technology-based products have been sold and achieved mass production; the other one using EGR + DOC. ”