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Life cycle assessment of electric vehicles and internal combustion engine vehicles: A case study of Hong Kong

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  • Shafique, Muhammad
  • Azam, Anam
  • Rafiq, Muhammad
  • Luo, Xiaowei

Abstract

The transportation and electricity sectors are in the midst of leading changes in the endeavor to mitigate climate change and air pollution issues. In future years, traditional fossil-fuelled vehicles are estimated to be substituted with electric vehicles (EVs), resulting in higher electricity demand from the transport sector. Meanwhile, the electricity sector is transforming due to policies to adopt renewable energy resources such as solar, wind, and hydropower in the future. However, there are still societal concerns regarding the environmental benefits of these vehicle technologies and how new energy options and vehicles benefit the 2050 HK Carbon Neutral Plan. To address these concerns, this paper aims to analyse the environmental burdens of current (2019) and future (2050) vehicle scenarios in Hong Kong using a life cycle assessment (LCA). The LCA was performed for internal combustion vehicles (ICEVs) fuelled by diesel and petrol and plug-in hybrid vehicles (PHEVs) and EVs with future electricity energy mix scenarios (2025–2050). The results revealed that EVs with the 2050 HK electricity mix are an optimal choice and have the least environmental impact in selected impact categories. Additionally, PHEV with diesel were the second most optimal choice to reduce the environmental impacts in current scenarios. In contrast, the petrol ICEV has the utmost environmental impacts in all damage category results. The study shows that clean energy could decrease the environmental impact and mitigate climate change in Hong Kong.

Suggested Citation

  • Shafique, Muhammad & Azam, Anam & Rafiq, Muhammad & Luo, Xiaowei, 2022. "Life cycle assessment of electric vehicles and internal combustion engine vehicles: A case study of Hong Kong," Research in Transportation Economics, Elsevier, vol. 91(C).
    • Handle: RePEc:eee:retrec:v:91:y:2022:i:c:s0739885921000846
    DOI: 10.1016/j.retrec.2021.101112
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    References listed on IDEAS

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    5. Wang, Haibing & Zheng, Tianhang & Sun, Weiqing & Khan, Muhammad Qasim, 2023. "Research on the pricing strategy of park electric vehicle agent considering carbon trading," Applied Energy, Elsevier, vol. 340(C).

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