The growth of the country's rapid economic growth from the agricultural sector, industrial sector is Bangkok, which is the center of business and prosperity with population increases rapidly. As a result, there is a problem and traffic jam the day count into a critical stage of severity. The traffic jam, a car with a low speed movement. There is a stop for fuel and more often are more metabolism. Ventilation and exhaust pollution substances in proportion to that increase. Therefore, the area near the road, there is a traffic jam. There will be a serious air pollution problem. In areas where there is traffic mobility. Transportation: carbon dioxide (CO2) Nitrogen oxide gas, hydrocarbon compounds Particulates smaller than 10 micron and sulphur dioxide
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