The rate of increase in the number of registered motor vehicles in Korea is regarded to be in the maturity stage, as it has remained in the 3% range for the past 10 years. The number of registered motor vehicles increased by more than 10 million between 1993 and 1996, but there was a major decrease in 1998 when the financial crisis struck. This was followed by a temporary increase, but the rate of increase significantly decreased after 2003 (excluding 2010) and has been maintained below 600,000 annually. There was a temporary but substantial decrease in the number of registered motor vehicles in 2008 due to the global economic recession, but it increased again in 2009 owing to tax benefits for decrepit vehicles and other factors.
As of 2011, a total of 878,000 tons of air pollutants are emitted by on-road mobile sources, accounting for 24.8% of total air pollutant emissions nationwide. On-road mobile sources are accountable for 64.6% of CO, as well as 31.0% of NOx, 12.8% of PM104), 7.9% of VOC, and 6.4% of TSP. On-road mobile emissions from the Seoul Metropolitan region amount to 361,000 tons, equivalent to 41.1% of national on-road mobile emissions. In terms of on-road mobile sources classified according to fuel type, diesel vehicles emit 386,000 tons (44.0%) and gasoline vehicles emit 364,000 tons (41.5%) of pollutants.
4) As of 2010.
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Last modified : 2017-12-12 08:38
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