Electric School Bus Initiative
Societal Health and Climate Benefits Associated With Transitioning the US School Bus Fleet From Diesel to Electric
Quantification in dollar value of the impacts of transitioning school bus operations from diesel to electric for each county in the contiguous United States.
Created
Oct 21, 2025
Last Updated
Oct 21, 2025
Caution:
- The model results are impacted by the characteristics of the input data including completeness, uncertainties, and errors. A thorough reading of the methodology document can help users evaluate how to interpret the results.
- These are estimates up to the year 2020, for which there is sufficient information about the composition of school bus fleets. Operational changes and the addition of new school bus models after 2020 will have life cycle impacts not accounted here.
- Estimated health impacts of diesel buses only include mortality due to chronic PM2.5 exposure despite the known substantive effects from NOx emissions. Brake- and tire-wear are known to be significant sources of particulate matter but are assumed equal between diesel and electric buses despite operational and weight differences between the classes.
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