Benchmarking environmental and economic impacts from the HSR networks considering life cycle perspectives |
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| Institution: | 1. School of Computing, Engineering and Mathematics, University of Western Sydney, Kingswood, Penrith 2751, New South Wales, Australia;2. Birmingham Centre for Railway Research and Education, School of Engineering, The University of Birmingham, Edgbaston B15 2TT, UK;3. Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;1. Department of Computer, Control and Management Engineering, Sapienza Università di Roma, Via Ariosto 25, Rome, Italy;2. Asper School of Business, University of Manitoba, 181 Freedman Crescent, Winnipeg, Manitoba, Canada;3. Transport Institute, University of Manitoba, 181 Freedman Crescent, Winnipeg, Manitoba, Canada;1. School of Mathematical Sciences, University of Electronic Science and Technology of China, Chengdu, China;2. School of International Trade and Economics, University of International Business and Economics, Beijing, China;3. School of Economics and Management, Beihang University, Beijing, China;1. School of Engineering, University of Birmingham, Birmingham, B15 2TT, UK;2. School of Civil and Environmental Engineering, University of California, Irvine, CA, USA;1. Tsinghua University-Zhang Jiagang Joint Institute for Hydrogen Energy and Lithium-Ion Battery Technology, Tsinghua University, Beijing, 100084, China;2. Institute of Energy, Environment and Economy, Tsinghua University, Beijing, 100084, China;3. Tsinghua-Rio Tinto Joint Research Centre for Resources, Energy and Sustainable Development, Laboratory for Low Carbon Energy, Tsinghua University, Beijing, 100084, China;4. China Automotive Energy Research Center, Tsinghua University, Beijing, 100084, China |
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| Abstract: | This paper unprecedentedly benchmarks the environmental and economic impacts of notable High-speed rail (HSR) networks. The goals are to (i) point out the environmental impacts from the HSR networks and (ii) evaluate the whole life cycle cost of HSR systems. The emphasis of this study is placed on five HSR networks from five countries to depict the effectiveness of sustainable transport policies in each particular country. Both life cycle assessment (LCA) and life cycle cost (LCC) models are adopted for a new critical framework capable of benchmarking the lifecycle sustainability of HSR networks. The new findings exhibit that CRC's system is the leader in energy-saving, who consumes only 67.55 GJ/km yearly, and emits lowest CO2 at an amount of 77,532.32 tCO2/km annually. These impressive results are stemmed from key enabling policies related to eco-friendly rolling stock design, sustainable construction, and green energy grids. With respect to the LCC analysis, the SCNF network takes advantage in the economy of scale and unleashes the lowest cost among other networks. It estimates that the SNCF network spends approximately 1,990,599.51 £/km annually at a % discount rate. The implications of these finding are discussed that the initial project has a high chance to be successful on economic than the late project due to an influence of the time value of money. |
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