Sustainability of Railway Passenger Services: A Review of Aspects, Issues, Contributions and Challenges of Life Cycle Emissions

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Abstract

This paper presents a review of research and models regarding sustainability of railway passenger services. In order to take into account all relevant aspects in terms of environmental impacts of a railway passenger service, a holistic system perspective is required, that includes a whole life cycle assessment. A life cycle approach is important since comparison of for instance only the exhaust emissions of an electric vehicle with a petrol vehicle is misleading, due to neglecting the emissions of for instance electrical energy production process. Thus, all stages in energy carrier, vehicle and infrastructure life cycles are to be considered. Existing models are analyzed, as well as possible developments, focusing on diesel and electrical traction as the most common traction options in use, and on GHG emissions, especially on CO2, which takes the greatest part in all emissions. Issues and challenges in improving the environmental impact of railway passenger services are addressed. Additionally, several areas are indicated where environmental aspects could be included in future assessment models. The main challenge is answering how the existing partial assessments can be brought together and, together with filling the identified gaps, allow to conduct a comprehensive LCA which will produce real-world emissions estimations. Results of this paper will be used as an input in developing a framework for quantifying and improving overall environmental impacts of a railway passenger service.
Original languageEnglish
Title of host publicationRailNorrköping 2019. 8th International Conference on Railway Operations Modelling and Analysis (ICROMA), Norrköping, Sweden, June 17th – 20th, 2019
EditorsAnders Peterson, Martin Joborn, Markus Bohlin
Place of PublicationNorrköping, Sweden
PublisherLinköping University Electronic Press
Pages548-567
Number of pages20
ISBN (Electronic)978-91-7929-992-7
ISBN (Print)978-91-7929-992-7
Publication statusPublished - 2019
EventRail Norrköping 2019: The 8th International Conference on Railway Operations Modelling and Analysis - Linköping University, Norrköping, Sweden
Duration: 17 Jun 201920 Jun 2019
https://www.railnorrkoping2019.org/

Publication series

NameLinköping Electronic Conference Proceedings
PublisherLinköping University Electronic Press, Linköpings universitet
Volume69
ISSN (Print)1650-3686
ISSN (Electronic)1650-3740

Conference

ConferenceRail Norrköping 2019: The 8th International Conference on Railway Operations Modelling and Analysis
Abbreviated titleICROMA
CountrySweden
CityNorrköping
Period17/06/1920/06/19
Internet address

Keywords

  • Railway transport
  • Sustainability
  • Environmental pollution
  • CO2
  • Life cycle assessment

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