California withdraws diesel truck ban, other clean-air rules

California has withdrawn requests for the EPA to give the state authority to enforce rules limiting emissions from ...
Withdrawal of request for EPA waiver means the state no longer seeks to enforce its zero emission vehicle mandate on fleets.
In order for California to promulgate vehicle emission standards without violating the Clean Air Act, it must receive a waiver from the EPA for any state law that regulates vehicles covered by the Act ...
The California Air Resources Board (CARB) has scrapped its controversial rule that would have required the use of zero-emissions locomotives in the state ...
To help offset the added costs of not burning, the California Legislature appropriated $180 million to CARB for the San ...
CARB issued an Enforcement Notice discussing its enforcement standards for 2026 climate reporting under SB 253, and ...