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http://dx.doi.org/10.12815/kits.2021.20.6.177

Emission Rates Estimation by Vehicle Type in Seoul Using the Vehicle Inspection Data  

Lee, Hyosun (Dept. of Transportation Eng., Univ. of Seoul)
Han, Yohee (Dept. of Transportation Eng., Univ. of Seoul)
Park, Shin Hyoung (Dept. of Transportation Eng., Univ. of Seoul)
Hwang, Ho Hyun (Dept. of Transportation Safety Education, Korea Transportation Safety Authority)
Kim, Youngchan (Dept. of Transportation Eng., Univ. of Seoul)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.20, no.6, 2021 , pp. 177-191 More about this Journal
Abstract
One of the major causes of serious air pollution worldwide is emissions from road transportation. A number of countries are working to reduce vehicle emissions, and the Seoul Metropolitan Government is also implementing active policies to reduce emissions by setting a target of 40% by 2030. Implementing these policies requires the introduction of practical indicators. Most of the domestic emissions are calculated by the emission coefficient, a function of speed at the National Institute of Environmental Research under the Ministry of Environment, but the dynamic variable speed is limited to being used as an indicator of the number of eco-friendly vehicles. Therefore, this study calculated the emission rates in Seoul using the vehicle registration data of Seoul and the vehicle inspection data from the Korea Transportation Safety Authority. The tendency of emissions was determined according to key variables such as vehicle type, fuel and mileage. Emissions were based on carbon monoxide, hydrocarbons, nitrogen oxides and particulate matter measured by vehicle inspection from the Korea Transportation Safety Authority. As a result, the emission rates showed a significant trend according to the model year and mileage. This can be used as a policy indicator to preferentially switch commercial vehicles with old model years and long mileage when switching eco-friendly vehicles in Seoul.
Keywords
Emissions; Emission coefficient; Commercial vehicles; Air pollution; Mileage;
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