Environmental Studies and Forestry

California's zero-emission vehicle adoption brings air quality benefits yet equity gaps persist

Q. Yu, B. Y. He, et al.

This study uncovers significant disparities in zero-emission vehicle (ZEV) ownership in California, particularly between disadvantaged communities and their counterparts. Conducted by Qiao Yu, Brian Yueshuai He, Jiaqi Ma, and Yifang Zhu, the research highlights the urgent need for targeted policies to alleviate pollution burdens, especially for racial and ethnic minorities, paving the way for a cleaner future.

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Abstract

This study investigates the environmental justice implications of zero-emission vehicle (ZEV) adoption in California. It quantifies ZEV adoption at the census tract level from 2015-2020 and projects it to 2035. Using an integrated traffic model and dispersion model, the study simulates air quality changes in Greater Los Angeles. Findings reveal significant disparities in ZEV ownership between disadvantaged communities (DACs) and non-DACs, with DAC residents experiencing disproportionate exposure to traffic-related air pollution despite receiving more pollutant reduction from inter-community ZEV trips. While disparities narrow with increased ZEV adoption in 2035, the study emphasizes the need for targeted policies addressing persistent pollution burdens in DACs and among racial and ethnic minorities, including a focus on truck electrification.

Publisher

Nature Communications

Published On

Dec 12, 2023

Authors

Qiao Yu, Brian Yueshuai He, Jiaqi Ma, Yifang Zhu

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