California intensified its battle against fossil fuels by seeking independent reviews of all pending hydraulic fracturing permits and halting approvals of a key production technique in an area that has pumped crude for more than a century.

California sued the Trump administration for rescinding an Obama-era waiver that allows the state to require sales of electric vehicles and set stricter auto-emissions standards than the federal government.

Transit officials in San Diego are rolling out a new $12.5 million pilot program to test the region’s first electric buses.

Even a brief blackout can be costly. Now California faces the experiment of finding what out happens economically when a modern metropolitan area goes without power — on purpose — for what could be days.

Automakers that are under U.S. antitrust scrutiny over an emissions agreement reached with California regulators are set to meet the week of Sept. 30 with the Justice Department, according to a person familiar with the matter.

Democratic Gov. Gavin Newsom has signed into law a bill that directs the California Air Resources Board and other state agencies to develop and implement a new smog inspection program for heavy-duty diesel on-road trucks.

California drivers soon may pay $4 a gallon at the pump after refinery upsets pushed up the wholesale market in San Francisco to the strongest level in almost seven years.

President Donald Trump said he will revoke California’s authority to regulate greenhouse gas emissions from autos, confirming a widely-anticipated move that will escalate the ongoing dispute between his administration and California.

The California Public Utilities Commission has approved a program that will see San Diego Gas & Electric build 3,000 electric vehicle charging stations for medium- and heavy-duty vehicles including school buses, delivery trucks and forklifts, and SDG&E customers will be the ones to pay for it.

President Donald Trump’s plan to freeze U.S. vehicle efficiency standards would hike costs for motorists without doing anything to boost highway safety, according to an analysis by Consumer Reports that undermines the administration’s chief talking points in favor of the move.