California Office of Administrative Law (OAL)

Rule Changes

As of September 2026: Approved the rulemaking August 31, 2026

California's largest polluters began operating under a sharply tighter carbon cap on September 1. The amended Cap-and-Invest Program, previously called Cap-and-Trade, removes 118 million pollution allowances through 2030, shrinking the cap 11% each year this decade.

Updated Sep 2