The Legal and Practical Challenges of California's Advanced Clean Fleets Regulation
As the January 1, 2026, deadline to make the first required disclosure under California’s landmark climate laws approaches, the California Air Resources Board (CARB) has announced that it will host another virtual public...more
On August 7, 2025, the California Air Resources Board (CARB) announced that it will hold a virtual public workshop on Thursday, August 21, 2025, from 9:30 a.m. to 12:30 p.m. Pacific Time “to support the development of...more
Supremacy Clause and Dormant Commerce Clause claims against SB 253 and SB 261 were dismissed, while claims under the First Amendment proceed to discovery....more
I recently published a post questioning the legality of the California Air Resources Board's Enforcement Notice. The California legislature charged CARB with the responsibility of implementing SB 253 (Wiener) and SB 261...more
On September 27, 2024, California Governor Gavin Newsom signed Senate Bill 219 (SB 219) into law, making important changes to California's historic Climate Corporate Data Accountability Act (SB 253) and the Climate‐Related...more