Taiwan is small and densely populated, people's workplace is close to household, the motorcycle has already become general means of transportation. The air pollutant that they discharged has already exceeded the limit of nature self-purification, and these materials influence plant and the animal. So how to control and improve already become the urgent subject. 　　The air pollution source is mainly divided into moving sources and fixity sources and contain nitrogen oxide, hydrocarbon, carbon monoxide and lead, etc., Though its emission is less than the emission of the factory far, the quantity is huge, so it also the main influence of air quality. In view of this, environmental protection administration promote air pollution control tactics for many years, hope of improving the air quality of Taiwan. In early days, examining the vehicle and checking exhaust to mainly control, if discharge exceed standard, advise car owner fix it. Now, examining serve to establish in a wide range of the motorcycle exhaust, in accordance with stipulate, assist, check and declare, are held by all counties and cities environmental protection agency movement pollution sources that committee run mainly. 　　Environmental protection bureau of Yun-Lin county has carried out “Moving pollutant sources control plan” for 12 year, hope, through this special project implementing, popularizing motorcycle exhaust examine habit regularly, and handle, popularize low and pollute the means of transportation to use etc. through declaring and leading the activity, via every aforesaid cooperation which control the tactics, so as to supervise the vehicle to use people to pay attention to the maintenance management of vehicle maintenance, with driver's correct operation idea of educational vehicle, and then lower the total amount of air pollutant that the waste gas of motor vehicle discharges, to reach and improve air quality effectively, contribute for the air pollution question in Taiwan. This plan is mainly include exceeding the time limit and examining the 3,626 motorcycle, patrol uncertain motorcycle 19,025, way examine, 1,333 motorcycle, crossing screen 6,241 uncertain motorcycle and 4 regular motorcycle exhaust test. Secret examine 17 stations and 12 motorcycle declaration, it reaches 375,859. Carrying out a session of education and staff member's before duty training, 20 villages of general survey and 4 audit, Despatch 65,000 official document letters of notice, gather and exactly enforce execution 606 cases. This plan is mainly include exceeding the time limit and examining the 3,626 motorcycle, patrol uncertain motorcycle 19,025, way examine, 1,333 motorcycle, crossing screen 6,241 uncertain motorcycle and 4 regular motorcycle exhaust test. Secret examine 17 stations and 12 motorcycle declaration, it reaches 375,859. Carrying out a session of education and staff member's before duty training, 20 villages of general survey and 4 audit, Despatch 65,000 official document letters of notice, gather and exactly enforce execution 606 cases.

Air pollutant, discharge standard, exhausts and blocks examining