A new hybrid method for reducing the gap between WTW and LCA in the carbon footprint assessment of electric vehicles

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• 作者：Alberto Moro ; Eckard Helmers
• 关键词：Battery ; Battery electric vehicle ; BEV ; Carbon footprint ; GHG ; GWP ; LCA ; Well ; to ; wheels
• 刊名：The International Journal of Life Cycle Assessment
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：22
• 期：1
• 页码：4-14
• 全文大小：547KB
• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment, general; Environmental Economics; Environmental Engineering/Biotechnology; Environmental Chemistry;
• 出版者：Springer Berlin Heidelberg
• ISSN：1614-7502
• 卷排序：22

文摘

PurposeThe well-to-wheel (WTW) methodology is widely used for policy support in road transport. It can be seen as a simplified life cycle assessment (LCA) that focuses on the energy consumption and CO₂ emissions only for the fuel being consumed, ignoring other stages of a vehicle’s life cycle. WTW results are therefore different from LCA results. In order to close this gap, the authors propose a hybrid WTW+LCA methodology useful to assess the greenhouse gas (GHG) profiles of road vehicles.