Vehicle's lightweight design vs. electrification from life cycle assessment perspective

Ahmad Mayyas, Mohammed Omar, Mohammed Hayajneh, Abdel Mayyas

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    Lightwiegh materials and vehicles' electrification are among the most viable and economic solutions to improve fuel ecocnmoy of vehicles and reduce environmental impacts in the operational phase of typical vehicle's life cycle span. This study aims to shed more light on the combined effect of lightweighing and electrification by assessing different lightweight designs and electric powetrians from the environmental perspective using a life cycle analysis coupled with an emphasis on energy expenditures and carbon dioxide emissions. This paper discusses the life cycle assessment for several advanced powertrains namely; plug-in hybrid electric vehicles (PHEV), battery electric vehicles (BEV) and hybrid electric vehicles (HEV) relative to the conventional gasoline operated internal combustion engine based power train vehicles. The main focus will be on the energy greenhouse gas emissions (GHG) in the material extraction and resources phase, manufacturing phase and use phase (operation and maintenance). While most of the current studies focus on the use phase that does not reflect the correct environmental impacts associated with advanced powertrains, thus the presented text applies a holistic LCA approach that covers pre-manufacturing, manufacturing, operational and end-of-life phases, plus another indirect phase to account for fuel extraction, refining and transportation to the end-users or customers. Based on the LCA emissions results, one may infer that environmental policies that reduce emissions rates from the electricity sector can mitigate this effect without completely eliminating it. Interestingly, the analysis show that lightweight vehicles with internal combustion engines have less impacts on the environment as a direct result of upstream emissions associated with electricity generation in United States. This scenario can differ in other countries with higher renewable and sustainable energy generated electric powers.

    Original languageEnglish (US)
    Pages (from-to)687-701
    Number of pages15
    JournalJournal of Cleaner Production
    Volume167
    DOIs
    StatePublished - Jan 1 2018

    Fingerprint

    electrification
    Life cycle
    life cycle
    electric vehicle
    manufacturing
    Powertrains
    Internal combustion engines
    Environmental impact
    environmental impact
    Electricity
    Plug-in hybrid vehicles
    energy
    life cycle analysis
    holistic approach
    electricity generation
    Hybrid vehicles
    Gas emissions
    Greenhouse gases
    environmental policy
    Refining

    Keywords

    • Auto-bodies
    • Automotive
    • Electric vehicles
    • Life cycle analysis
    • Lightweight
    • Sustainability

    ASJC Scopus subject areas

    • Renewable Energy, Sustainability and the Environment
    • Environmental Science(all)
    • Strategy and Management
    • Industrial and Manufacturing Engineering

    Cite this

    Vehicle's lightweight design vs. electrification from life cycle assessment perspective. / Mayyas, Ahmad; Omar, Mohammed; Hayajneh, Mohammed; Mayyas, Abdel.

    In: Journal of Cleaner Production, Vol. 167, 01.01.2018, p. 687-701.

    Research output: Contribution to journalArticle

    Mayyas, Ahmad ; Omar, Mohammed ; Hayajneh, Mohammed ; Mayyas, Abdel. / Vehicle's lightweight design vs. electrification from life cycle assessment perspective. In: Journal of Cleaner Production. 2018 ; Vol. 167. pp. 687-701.
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