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至环保部发文公布的国Ⅳ排放标准延期,国Ⅳ已然尘埃落定。延期18个月实施,各发动机企业均认为并未带来困扰,因为国Ⅳ标准的技术储备早已准备就绪。然而,对于国Ⅳ标准,部分企业仍有话要说。《商用汽车新闻》记者在听取企业建议后,总结出三方面内容:技术、成本和真假国Ⅳ。共轨加SCR路线是主流业内对于国Ⅳ标准的实施路径意见基本一致,主流是共轨加SCR,也有企业采用EGR加DPF,但存在对油品质量要求高且后续费用较
To the Ministry of Environmental Protection issued a document to postpone the country Ⅳ emission standards postponed, the country Ⅳ has been settled. Extension of 18 months to implement, the engine companies are not that troubled, because the country Ⅳ standard technical reserve already ready. However, for the country Ⅳ standard, some companies still have something to say. Commercial Vehicle News reporter after listening to corporate advice, summed up three aspects: technology, cost and true and false country Ⅳ. Common rail plus SCR route is the mainstream industry for the implementation of the national standard IV view basically the same, the mainstream is the common rail plus SCR, there are companies using EGR plus DPF, but there is a high demand for oil quality and follow-up costs than