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An Integrated Traffic and Powertrain Simulation Framework to Evaluate Fuel Efficiency Impacts of Fully and Partial Vehicle Automation

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  • Yicheng Fu

    (Department of Civil and Environmental Engineering, Zhejiang University, 718 Haizhou E Rd, Hangzhou 314499, China)

  • Yuche Chen

    (Department of Civil and Environmental Engineering, University of South Carolina, 300 Main Street, Columbia, SC 29201, USA)

Abstract

The assessment of energy impacts associated with autonomous vehicles must extend beyond individual vehicle analysis to encompass mixed fleets with varying degrees of automation. This study presents an integrated simulation framework designed to evaluate fuel efficiency improvements resulting from both full and partial vehicle automation across diverse road types and vehicle categories. By coupling traffic microsimulation with detailed powertrain modeling, the framework captures the intricate interdependencies between automation levels and energy consumption. A comprehensive analysis reveals the complex interactions among powertrain architectures, automation levels, and driving environments in both urban and highway contexts. Results indicate that the increased penetration of Connected and Autonomous Vehicles (CAVs) is generally associated with improved energy efficiency across a range of vehicle technologies. These findings offer critical insights into the broader implications of CAV adoption on energy consumption, emphasizing the nuanced dynamics between vehicle heterogeneity and traffic conditions.

Suggested Citation

  • Yicheng Fu & Yuche Chen, 2025. "An Integrated Traffic and Powertrain Simulation Framework to Evaluate Fuel Efficiency Impacts of Fully and Partial Vehicle Automation," Sustainability, MDPI, vol. 17(12), pages 1-13, June.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:12:p:5527-:d:1679943
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    References listed on IDEAS

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