Nguyen, Joris, Pion, Emmanuel, Bouillass, Ghada, Saidani, Michael, Yannou, Bernard, Ouisse, Hervé et Graff, Pascal.
2026.
« Is electric retrofit beneficial from environmental, circularity, and economic perspectives? An application to off-road vehicle ».
Cleaner Environmental Systems, vol. 23.
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Résumé
Converting an internal combustion engine vehicle (ICEV) into an electric vehicle (EV) is known as electric retrofit. This study proposes and applies a methodology for assessing the impacts of electric retrofit through an off-road vehicle case study. Circularity, environmental, and economic assessments are used to compare retrofit, ICEV, and new EV scenarios. The main contribution is a novel, more comprehensive methodology for assessing the impacts of electric retrofit that accounts for the reuse of components and vehicles, multiple environmental impact categories, the timing of the retrofit operation, and circularity. Circularity is evaluated using a newly developed longevity-variation indicator, environmental impacts are assessed through life cycle assessment, and economic performance is examined through cost analysis. The results show that the impacts of electric retrofit depend strongly on three parameters: (1) when the retrofit is performed during the ICEV lifetime, (2) the lifetime extension achieved through the retrofit operation, and (3) the reusability of vehicles and components across the scenarios. Benefits arise particularly when retrofit occurs early in the vehicle's lifetime, the retrofit components are reused, and the reuse of second-hand ICEVs is constrained. However, unless especially favorable conditions are met, electric retrofit is less attractive from circularity, environmental, and economic perspectives than purchasing a new EV and reselling the used ICEV, suggesting that retrofit is primarily suited to niche strategies. The study concludes with recommendations for improving future sustainability assessments of electric retrofit and realizing its current potential.
| Type de document: | Article publié dans une revue, révisé par les pairs |
|---|---|
| Chercheur(-euse): | Chercheur(-euse) Saidani, Michael |
| Affiliation: | Génie des systèmes |
| Date de dépôt: | 03 nov. 2026 20:58 |
| Dernière modification: | 04 nov. 2026 21:34 |
| URI: | https://espace2.etsmtl.ca/id/eprint/34797 |
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