Investigation and analysis of motor vehicle exhaust emission in cities

In this paper, the emission amounts of buses, taxes and motorcycles in a city investigated are calculated based on the analysis of the increasing amount of vehicles in recent years and the proportion of different type vehicles. The vehicle flow and exhaust emission situation of a road in this city in a day are investigated and analyzed. The result is as follows. The motor vehicle flow and exhaust pollutant amount get the highest at the time when people go to work in morning and the time when people go home in evening. The emission of CO pollutant is the main pollutant on the road and the emission amount of car is the biggest in that of all kinds of vehicles.