汽车发动机排放污染的主要防治技术

摘要

汽车排放污染正在威胁着人类赖以生存的环境，控制和降低汽车排放已成为当今的一个主要课题。本文介绍了几种目前使用得比较广泛的汽车排放防治技术，值得我们参考和借鉴。%Exhaust emissions from vehicle engines are worsening the environment human beings rely on,so controlling and decreasing the exhaust emissions has become today's important issues.Several Primary advanced techniques of exhaust emission control have been introduced in this paper as a worthwhile reference to us.