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March 17, 2022

17 March 2022

EPA Announces New Actions Affecting Emissions From Mobile Sources

Last week, the U.S. Environmental Protection Agency (EPA) took two actions related to mobile source emissions under the Clean Air Act that represent the agency’s continued focus on transportation, climate change, and environmental justice.

On March 7, 2022, EPA announced newly proposed emission standards for heavy-duty vehicles and engines, which would apply starting in model year 2027. The proposed standards would reduce allowed emissions of nitrogen oxides from heavy-duty gasoline and diesel engines and set more stringent greenhouse gas standards for certain commercial vehicle categories. Beyond numerical reductions in emissions, the rule also indicates EPA’s broader shift in focus to environmental justice. (more…)

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