California's ability to set its own vehicle emission standards under its Clean Air Act waiver of federal preemption is in jeopardy given three joint congressional resolutions signed into law by President Trump on June 12,...more
On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the U.S. Environmental Protection Agency (EPA) needed to support four recently adopted vehicle emissions regulations: 1) the Advanced...more
In a significant development for environmental law and state autonomy, the Supreme Court of the United States (SCOTUS) recently declined to review whether the U.S. Environmental Protection Agency (EPA) has the authority to...more
California Attorney General (AG) Rob Bonta is leading a coalition of 22 Democratic states and the District of Columbia, to defend the Environmental Protection Agency’s (EPA) rule that sets stringent greenhouse gas emissions...more
March and April have been busy months for vehicle emission regulation in the U.S. On March 20 and March 29 respectively, the U.S. Environmental Protection Agency (U.S. EPA) issued a set of final emission rules setting...more
It all started in the early 40’s, when the smog was so bad in California that visibility was measured in city blocks, and people suffered from nausea, stinging eyes, and difficulty breathing. By the 50’s, the California...more
On March 9, 2022, the US Environmental Protection Agency (EPA) rescinded a rule promulgated by the Trump Administration and revived California’s Clean Air Act waiver, allowing the state to set its own greenhouse gas emissions...more