Key Takeaways -
What Happened? On July 29, 2025, the U.S. Environmental Protection Agency (EPA) published a proposed rule to rescind the 2009 Greenhouse Gas (GHG) Endangerment Finding (“Endangerment and Cause or Contribute...more
Key Takeaways -
• What Happened: The California Air Resources Board (CARB) issued a “Dear Manufacturer” letter encouraging vehicle and engine manufacturers to voluntarily self-disclose regulatory violations in a variety of...more
Five major automobile manufacturers – BMW of North America, Ford, Honda, Volkswagen Group of America, and Volvo – and the California Air Resources Board (CARB) recently entered into voluntary framework agreements to reduce...more
15 states and the District of Columbia announced a Memorandum of Understanding (MOU) earlier this week to support sales of electric medium and heavy-duty vehicles, such as delivery trucks, school buses, long-haul trucks, and...more
Key Takeaways -
• Regulatory Action: Vehicle fuel economy and greenhouse gas emissions standards will increase in stringency by 1.5 percent per year from Model Years (MY) 2021-2026, as compared to MY 2020 levels. But this...more
Earlier this month, a federal judge ruled that the hosts of the Discovery Channel’s Diesel Brothers show must pay more than $850,000 for violating the Clean Air Act’s (CAA) tampering and defeat device prohibitions. While U.S....more
In advance of the Trump Administration’s plans to move forward with less-restrictive standards for light duty vehicles, four major automakers have negotiated an agreement–in-principle with the California Air Resources Board...more
U.S. EPA Clean Air Act mobile source enforcement is on the upswing. Following a recent settlement with an aftermarket automotive parts manufacturer, Susan Bodine, Assistant Administrator for EPA’s Office of Enforcement and...more
On August 2, 2018, the Department of Transportation’s National Highway Traffic Safety Administration (“NHTSA”) and the Environmental Protection Agency (“EPA”) issued two related, proposed rulemakings, which together comprise...more