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

Ahmad Mayyas, Mohammed Omar, Mohammed Hayajneh, Abdel Raouf Mayyas

Research output: Contribution to journalArticle

  • 2 Citations

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.

LanguageEnglish (US)
Pages687-701
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 Raouf.

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

Research output: Contribution to journalArticle

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