Economic growth accelerated from the agricultural sector comes as the industry sector Bangkok, which is the center of business and prosperity, there is a rapid increase in population. Raises the demand for travel and transport even more As a result traffic congestion problem into a crisis stage and is increasingly intensifying. Traffic congestion, the car moves at low speed. Stopping off frequently and the oil burned up more The combustion of the fuel is incomplete and has ventilation exhaust pollution substances in increased proportions. So near the road, with traffic jams There will be more serious air pollution problems. In areas where there is traffic mobility. Vented into the atmosphere pollutants resulting from Transportation
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