Evaluation of CO2 Reduction Effected by GHG Reduction Policy of Vehicle

자동차 온실가스 저감정책에 따른 이산화탄소 저감 효과 평가

  • Park, Yeon Jae (Department of Environmental Engineering, Graduated School, University of Seoul) ;
  • Kwon, Sang Il (Transportaion Pollution Research Center, National Institute of Environmental Research) ;
  • Lee, Jae Young (Department of Environmental Engineering, University of Seoul)
  • 박연재 (서울시립대학교 일반대학원 환경공학과) ;
  • 권상일 (국립환경과학원 교통환경연구소) ;
  • 이재영 (서울시립대학교 환경공학과)
  • Received : 2015.05.22
  • Accepted : 2016.06.02
  • Published : 2016.06.30


Greenhouse gas (GHG) emissions have given rise to climate change which is one of the most serious environmental challenges that the world faces today. In response, Republic of Korea has proposed "Low Carbon, Green Growth" as a new economic paradigm accompanying with the ultimate aim of building a sense of responsibility for the environment. Korean government has set the ambitious national GHG emission reduction target which aims 37% reduction in the business-as-usual (BAU) level of 2030. The transportation sector plays a key role in this target. In the transportation sector, the GHG reduction target of 34.3% in the BAU level by 2020 has been allocated in order to consider the industrial specificity. Furthermore, it is known that the GHG reduction in the transportation sector has relatively minimal side effects compared to those of other sectors. In order to meet this national GHG reduction target, Korean government has set $CO_2$ emission regulation of vehicle for 2020. The purpose of this study is to evaluate the reduction effects by the average GHG regulation of vehicles. $CO_2$ emissions, between 2009 and 2013 were analysed by reduction measure such as technology improvement, light-weight, segment shift, diesel vehicle sales. During this period, $CO_2$ of vehicle was reduced every year by 19.9 g/km (i.e., 3.3% reduction per year). $CO_2$ reduction of imported vehicle is greater than domestic vehicle because of segment shift toward small size vehicle and higher diesel vehicle sales.


$CO_2$;BAU;Greenhouse gas;Segment shift;Emission target


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