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重型柴油货车国四跟国五区别在哪
更新时间: 2020-11-09 00:00:00  

国四和国五是我国的环保部门对汽车尾气排放的标准的简称,就是第四次标准和第五次标准。

两者区别在于国四标准汽油的含硫量上限为50mg/kg,国五标准汽油的含硫量上限为10mg/kg。两者区别就在于国五比国四氮氧化物(NOX)、碳氢化合物和氮氧化物(HC+NOX)总和、颗粒物浓度(PM)的标准提高了其余指标都一样。主要是考虑环保要求逐步降低硫含量。

关键词: 重型 柴油 货车 区别

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