WASHINGTON DC – A proposed rule released by the Biden administration Thursday would require states and cities to set carbon emission reduction targets for transportation.
The draft rule would require state transportation departments and metropolitan planning organizations (MPOs) with National Highway System mileage within their boundaries to both measure their transportation-related emissions and develop reduction targets.
This would build on existing regulations that require those institutions to track other forms of air pollutants. Transportation is the single largest source of carbon emissions.
Under the terms of the rule, both state departments of transportation and MPOs would be required to report their progress on meeting their emissions goals twice a year. The proposal contains no specific requirements for the goals, saying it would allow states and cities to determine which targets “are appropriate for their communities and … work for their respective climate change and other policy priorities.”
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