Mobile pollution sources is one of the main cause for the air quality decline, in order to improve the air pollution problems caused by motorcycle exhausted emission, the environmental protection bureau has implemented many projects to control motorcycle exhaust discharge air pollutant, include the execution which locomotive did not make regular inspection, the roadside blocks examines, the examination service, and management of motorcycle exhausted emission inspection stations, encouraging use the low-emission vehicle, eliminating old motorcycle, to improve air quality efficiently.

Mobile pollution sources, air pollution, motorcycle exhausted emission inspection station