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A Study on Economic Analysis and Improvement Policy Support for the Expansion of Natural Gas Vehicles - Focused on the Large Diesel Bus

천연(天然)가스 자동차(自動車) 보급(普及) 확대(擴大)를 위(爲)한 경제성(經濟性) 분석(分析)과 정책지원(政策支援) 개선(改善)에 관(關)한 연구(硏究) - 대형(大型) 경유(輕油)버스를 중심(中心)으로

  • Joo, Gil-Mo (Dept. of Energy Policy, Korea Polytechnic University) ;
  • Kang, Seung-Jin (Dept. of Energy Policy, Korea Polytechnic University)
  • Received : 2017.11.01
  • Accepted : 2017.12.27
  • Published : 2017.12.30

Abstract

According with annual report by the OECD (Organization for Economic Co-operation and Development), South Korea is at the top of the list of countries with bad air pollution (fine dust particles) and the South Korean government announced the cause to be due to the particle emissions of large and old diesel vehicles. To solve this issue, the government (jointly with related ministries), promoted the "Special Measures for Comprehensive Fine Dust Management Program" as a way to improve environmental pollution by reducing the overall output of fine dust particles emitted by public vehicles. The measure implemented a gas subsidy system to convert eco-friendly vehicles of city and chartered buses throughout the country. In this study, we take a look at the economical evaluation, comparison and analysis of the conversion of diesel vehicles to natural gas (CNG) vehicles. This report represent the basis for the need to expand the funds of the subsidy program and reviews the feasibility of the policy by taking into consideration the social and economical benefits and the effect in the environment when converting diesel fuel to natural gas vehicles through the type-specific fuel conversion scenarios.

매년 OECD가 발표하는 대기환경 오염분야에서 우리나라가 최하위를 차지했다. 이에 따른 대책으로 수송분야에 관심이 집중되었고, 오염도 측정 결과 대형경유 및 노후차량에서 미세먼지 배출가스가 높게 발생하는 원인으로 정부는 발표하였다. 이를 해결하기 위해 정부가 관련부처 합동으로 "미세먼지 관리 특별대책과 종합대책"을 추진하였다. 환경오염 개선방안으로 시내버스와 전세버스를 대상으로 친환경자동차 전환을 위한 유가 보조금제도를 시행했다. 본 연구에서는 경유버스 대비 천연가스(CNG) 연료전환 시 경제성 평가와 오염물질 배출에 따른 환경비용을 비교분석하였다. 유형별 연료전환 시나리오를 통한 천연가스 차량으로 연료전환을 했을 때 사회적 편익과 환경적 비용을 고려한 정부지원금 정책의 타당성 및 지원금 확대 근거를 제시하였다.

Keywords

References

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