Analysis of the Exhaust Gas Going beyond the Limit ofLight-duty Motor Vehicles in Zhengzhou and Its control Measures .
Lu Xiaoming ;Sun Zhongdang;(Zhengzhou Monitoring Station of Environmental Protection , Zhengzhou 450007 )
After investigating the exhaust gas going beyond the limit of light-duty motor vehicles inZhengzhou ,different kinds and types of motor vehicles were arranged in order by their quantity of exhaust gasgoing beyond the limit. Why exhaust gas going beyond the limit still exists was analysed and how to bring thisunder control was suggested.
【CateGory Index】： X831