A Graph Theoretic Approach for Exploring the Relationship between EV Adoption and Charging Infrastructure Growth

Fahad S. Alrasheedi; Hesham H. Ali

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arXiv · 2504.13902

A Graph Theoretic Approach for Exploring the Relationship between EV Adoption and Charging Infrastructure Growth

Fahad S. Alrasheedi·Hesham H. Ali

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Abstract

The increasing global demand for conventional energy has led to significant challenges, particularly due to rising CO2 emissions and the depletion of natural resources. In the U.S., light-duty vehicles contribute significantly to transportation sector emissions, prompting a global shift toward electrified vehicles (EVs). Among the challenges that thwart the widespread adoption of EVs is the insufficient charging infrastructure (CI). This study focuses on exploring the complex relationship between EV adoption and CI growth. Employing a graph theoretic approach, we propose a graph model to analyze correlations between EV adoption and CI growth across 137 counties in six states. We examine how different time granularities impact these correlations in two distinct scenarios: Early Adoption and Late Adoption. Further, we conduct causality tests to assess the directional relationship between EV adoption and CI growth in both scenarios. Our main findings reveal that analysis using lower levels of time granularity result in more homogeneous clusters, with notable differences between clusters in EV adoption and those in CI growth. Additionally, we identify causal relationships between EV adoption and CI growth in 137 counties, and show that causality is observed more frequently in Early Adoption scenarios than in Late Adoption ones. However, the causal effects in Early Adoption are slower than those in Late Adoption.

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Fahad S. Alrasheedi, Hesham H. Ali. 2025-05-04. A Graph Theoretic Approach for Exploring the Relationship between EV Adoption and Charging Infrastructure Growth. https://arxiv.org/abs/2504.13902

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