California has decided to abandon its phase out of diesel trucks and requiring cleaner locomotives because of the incoming ...

California has withdrawn requests for the EPA to give the state authority to enforce rules limiting emissions from ...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.

Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, ...

Environmentalists prefer blaming climate change for wildfires, as the ancient Greeks blamed their gods when things went wrong ...

While we are disappointed that U.S. EPA was unable to act on all the requests in time," a state official said.

California regulators say the Trump administration is unlikely to approve the rules and that they have no choice but to ...

Congressman Doug LaMalfa releaseda statement regarding the California Air Resources Board’s decision to withdraw its Clean ...

The California Air Resources Board (CARB) has scrapped its controversial rule that would have required the use of zero-emissions locomotives in the state ...

CARB issued an Enforcement Notice discussing its enforcement standards for 2026 climate reporting under SB 253, and ...

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 ...

California’s efforts to limit pollution from diesel-powered trains and big rigs were stalled in anticipation of pushback from ...