非道路用压燃式发动机EPA第Ⅳ阶段排放法规简介

Introduction of EPA Tier4 Emission regulation for Non-road CI Engines

从2008年开始,美国环保署EPA对非道路用压燃式发动机排放限值执行标准,将根据标定功率的不同逐步进入第4阶段。笔者对此进行介绍并简要分析。

The nonroad CI engine emission standard will be phased in EPA tier 4 from 2008. The paper intreduees briefly the main content of this regulation and makes a simple analysis.