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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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PURPOSES : The aim of this article is to compare and identify eco-friendly competitiveness between (regional) motorway and high-speed rail(HSR) from the perspective of $CO_2$ emission in the Republic of Korea. METHODS : In order for an analysis of low-carbon competitiveness between the two modes, $CO_2e$ emission, $CO_2eppk$ (equivalent $CO_2$ gram per passenger kilometer), is employed as a comparison index. As for HSR, the index is calculated based on the passenger transport data and the gross of $CO_2e$ produced by Kyungbu high-speed line in 2013. Additionally, the gross of $CO_2e$ is computed by the greenhouse gas emission factors of domestic electricity generation mix. Regarding the index of motorway, it is directly calculated using both the official $CO_2e$ emission factor and the passenger-car occupancy of motorway. RESULTS : The results revealed, in the case of inter-regional transport, that the $CO_2e$ emission of displacement-based cars is 54.9% less than that of HSR, as the domestic electric power systems heavily relies on the thermal power plants over 66%. Note that internal combustion engines commonly used for vehicles are more energy-efficient than steam-driven turbines usually utilized for thermal power generation. CONCLUSIONS : It can be seen, at the very least in our study, that HSR has no superiority over motorway in the case of $CO_2e$ emission under the situations of domestic electricity generation mix. In addition, advanced eco-friendly vehicles have strong advantages over HSR. Therefore, all-out efforts should be made to develop and harvest renewable energy sources in order to achieve low-carbon HSR, sparing fossil fuels.
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참고문헌 (15)
참고문헌 신청
Akerman J. / 2011 / The role of high-speed rail in mitigating climate change - The Swedish case Europabanan from a life cycle perspective / Transportation Research Part D 16:208~217
Campos J. / 2009 / Some stylized facts about high speed rail: A review of HSR experiences around the world / Transport Policy 16(1):19~28
Chang B. / 2011 / Life cycle greenhouse gas assessment of infrastructure construction for California’s highspeed rail system / Transportation Research Part D 16:429~434
Davies R. / 2009 / Energy consumption and CO2impacts of high speed rail / ATOC analysis for Greengauge 21
IAEA / 2006 / A Guide of life-cycle GHG emissions from electric supply technologies
Campos J. / 2009 / Some stylized facts about high speed rail: A review of HSR experiences around the world / Transport Policy 16(1):19~28
Chang B. / 2011 / Life cycle greenhouse gas assessment of infrastructure construction for California’s highspeed rail system / Transportation Research Part D 16:429~434
Davies R. / 2009 / Energy consumption and CO2impacts of high speed rail / ATOC analysis for Greengauge 21
IAEA / 2006 / A Guide of life-cycle GHG emissions from electric supply technologies
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