California and President Trump are expected to clash over climate policies. The state just backed off on regulating diesel-powered semitrailers and buses.

California derailed its rule that would have likely killed plans for Burlington Northern Santa Fe’s $1.5 billion Barstow International Gateway project.

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

The executive order "Unleashing American Energy" also kills off former President Biden's goal of increasing EV adoption to 50 percent of all new vehicle sales by 2032. The order claims that it is ensuring "consumer choice" and "a level regulatory field" for vehicle sales.

Catalina Express, Harbor Breeze Cruises, and the Port of Los Angeles have recently secured a $31 million grant from the California Air Resources Board (CARB) to test emission reduction vessel technolo

Because Trump is unlikely to approve them, California has no choice but to abandon its groundbreaking rules for zero-emission trucks and cleaner locomotives.

While containment on the Eaton and Palisades fires continue to grow, forecasters with South Coast AQMD say ‘hazardous ash’ may still be present in the air.

California's environmental policies are doing more damage to the environment than anything else in the country.

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 said Tuesday it withdrew its requests for federal approval to implement stricter emissions rules for locomotives and semi-trucks because the U.S. Environmental Protection Agency had yet to approve them,

To help offset the added costs of not burning, the California Legislature appropriated $180 million to CARB for the San Joaquin Valley Air Quality Control District grant program for farmers using alternative methods, including chipping and shredding and a low-smoke burning system called an air curtain burner.

California regulators say the Trump administration is unlikely to approve the rules and that they have no choice but to abandon groundbreaking regulations for zero-emission trucks and cleaner locomotives.