机动车养护对车辆排气污染的影响

Effect of Maintenance on Motor Vehicle Emission Pollution

对855辆机动车养护前后的排气污染物进行检测与对比分析,结果表明,机动车养护前排气污染物浓度达标率约50％,车辆养护能降低排气污染,养护后达标率约60％左右,对桑塔纳型轿车排气CO的有效率达56.7％。提出必须加强对机动车排气污染的检测和对维修养护企业的管理。

Comparative tests on motor vehicle emission pollution before and after maintenance have been conducted. The result showed that the passing rate before maintenance was about 50%, and after maintenance was about 60%. The effective rate of maintenance for reducing the density of CO emission of Santana Type automobile was 56.7%. Control on inspection of emission pollution, maintenance and repair of motor vehicle industry should be reinforced.