Tag Archives: CARB

Heavy-Duty Truck and Engine Regulation by US EPA and CARB: Agency Rulemaking in the COVID-19 Era

The US Environmental Protection Agency (US EPA) and the California Air Resources Board (CARB) are proceeding with development of proposed rules for on-road heavy-duty vehicle and engine regulation. As previously covered in our blog, US EPA and DOT already issued a final rule in early April rolling back greenhouse gas emission (GHG) standards in the … Continue Reading

US EPA-California Tensions Over GHG Standards Increase with Preemption Challenge

Disagreements between California and the US Environmental Protection Agency (US EPA) over greenhouse gas (GHG) standards for automobiles have been simmering since 2018, but tensions between the two sides have recently increased after California entered into a voluntary agreement on GHG standards with a group of major automakers, followed swiftly by US EPA’s withdrawal of California’s authority … Continue Reading

Lawsuit Filed in Response to US EPA Rollback of Tailpipe Emission Standards

On May 1, 2018, 17 states, including California, as well as the District of Columbia filed a Petition for Review in the US Court of Appeals for the District of Columbia in response to US EPA’s announcement that it would be rolling back tailpipe emission standards. As we previously reported, California stated in April that it was … Continue Reading
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