“目前实施国Ⅳ标准在技术上没有太大问题,但在市场层面,使用环境尚不成熟。实施时间推迟后,企业必须加紧调整产品布局。”日前,某重卡企业人士告诉《商用汽车新闻》记者。此外,“车油不配套”也被业内人士视为国Ⅳ标准目前难以实行的重要原因。“国Ⅳ重卡是在后处理的作用下达到国Ⅳ标准,如果油品含硫量太高,就会和催化剂发生化学反应,导致‘催化剂中毒’。时间长了,会使达标车辆的排放效果大打折扣。”某重卡企业相关负责 “At present, the implementation of the national standard IV in the technology is not much problem, but in the market level, the use of the environment is not yet mature.Operation time postponed, companies must step up the adjustment of product layout. ” Recently, a heavy truck business people told the “Commercial Vehicle News ”reporter. In addition, “car oil does not support ” is also considered by the industry as the country IV standard is difficult to implement an important reason. “State IV heavy truck is in the role of post-processing reached the national IV standard, if the oil is too high sulfur content, it will react with the catalyst, resulting in ’catalyst poisoning’. A long time will make compliance vehicle emissions The effect is greatly reduced. ”A heavy truck business is responsible for