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Sports Utility Vehicles: A Public Health Model of Their Climate and Air Pollution Impacts in the United Kingdom

Author

Listed:
  • Charles Dearman

    (Centre for Climate and Health Security, UK Health Security Agency, London SW1P 3HX, UK)

  • James Milner

    (Department of Public Health, Environments and Society, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
    Centre on Climate Change and Planetary Health, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK)

  • Glenn Stewart

    (Department of Public Health, London Borough of Enfield Council, London EN1 3XA, UK)

  • Giovanni S. Leonardi

    (Department of Public Health, Environments and Society, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
    Environmental Epidemiology Team, UK Health Security Agency, Chilton OX11 0RQ, UK)

  • John Thornes

    (Centre for Climate and Health Security, UK Health Security Agency, London SW1P 3HX, UK)

  • Paul Wilkinson

    (Department of Public Health, Environments and Society, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
    Centre on Climate Change and Planetary Health, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
    Deceased.)

Abstract

The emission benefits of shifting towards battery electric vehicles have so far been hampered by a trend towards sports utility vehicles (SUVs). This study assesses the current and future emissions from SUVs and their potential impact on public health and climate targets. We modelled five scenarios of varying SUV sales and electrification rates, and projected associated carbon dioxide (CO 2 ) and nitrogen oxide (NO x ) emissions. Multiple linear regression was used to determine the relationship between vehicle characteristics and emissions. Cumulative CO 2 emissions were valued using the social cost of carbon approach. Life table analyses were used to project and value life years saved from NO x emission reductions. Larger SUVs were disproportionately high emitters of CO 2 and NO x . Replacing these with small SUVs achieved significant benefits, saving 702 MtCO 2 e by 2050 and 1.8 million life years from NO 2 reductions. The largest benefits were achieved when combined with electrification, saving 1181 MtCO 2 e and gaining 3.7 million life years, with a societal value in the range of GBP 10–100s billion(s). Downsizing SUVs could be associated with major public health benefits from reduced CO 2 and NO x emissions, in addition to the benefits of electrification. This could be achieved by demand-side mass-based vehicle taxation and supply-side changes to regulations, by tying emission limits to a vehicle’s footprint rather than its mass.

Suggested Citation

  • Charles Dearman & James Milner & Glenn Stewart & Giovanni S. Leonardi & John Thornes & Paul Wilkinson, 2023. "Sports Utility Vehicles: A Public Health Model of Their Climate and Air Pollution Impacts in the United Kingdom," IJERPH, MDPI, vol. 20(11), pages 1-22, June.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:11:p:6043-:d:1163105
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    References listed on IDEAS

    as
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