轻型车国六与国五排放标准比对分析

Small Internal Combustion Engine and Motorcycle(2019)

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Abstract
轻型车尾气排放标准由国五升级到国六,实现了稳态测试循环向更接近实际行驶状况的瞬态循环转变.与国五排放标准相比,国六标准的单车污染物排放加严至少30%.首次提出实际行驶污染物排放试验的要求,限制了实际道路排放与试验室排放的差异.新增加油过程污染物排放试验要求,严格控制挥发性有机物VOCS排放.增加OBD的监控项目并增大监测频率,严格监测汽车尾气排放.
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