State of California

Rule Changes

Leading the October 2 lawsuit over the CAFE rollback alongside federal climate litigation

The Transportation Department published its final fuel-economy rule on September 28, cutting the 2031 fleetwide target to 34.9 miles per gallon from 50.4 mpg under Biden. The rule resets standards to model year 2022 levels and arrived as average U.S. gas prices sat just under $4.50 a gallon.

Updated 5 days ago

Rule Changes

Enacted the strongest child safety AI laws in the nation

Anthropic has stopped letting people under 18 use Claude. The change, posted in the company's support documentation, makes the AI assistant adults-only.

Updated Sep 11

Rule Changes

Plaintiff

The Ninth Circuit on August 21 vacated a district court ruling that had struck down part of the ATF's 2022 ghost gun regulation. A unanimous panel found that California and the Giffords Law Center to Prevent Gun Violence lacked standing to challenge Example 4 of the frame-and-receiver rule.

Updated Aug 23

Rule Changes

Leading AI regulator whose laws are explicit targets of the federal order.

Donald Trump just turned AI regulation into a states' rights knife fight. His new executive order creates a Justice Department "AI Litigation Task Force" to attack state AI laws. Washington can threaten to withhold $42 billion in broadband funds from states that don't comply.

Updated May 11

Force in Play

Challenging Trump’s domestic military deployments while hosting new NDA

Donald Trump has quietly turned long stretches of the southern border into de facto military bases. Under a new system of National Defense Areas, soldiers can stop migrants, hold them, and help prosecutors charge them as trespassers on military land.

Updated May 11