For businesses that rely on heavy-duty diesel trucks, Washington’s decision to follow California’s emissions standards has ...

California drivers are seeing an increase in fuel expenses. The price of a gallon of regular gas rose 41 cents from one month ...

In a surprising twist, California’s controversial new fuel standard — a key part of its effort to replace fossil fuels — has ...

"When prices go up on other states that get their fuel from Canada, you'll likely see a ripple effect here in California," Johnson said. Aguayo said that he is concerned about paying the bills and ...

The details behind the decision of California's Office of Administrative Law to block the state's controversial clean air ...

A proposal by state Sen. Scott Wiener creates a new wrinkle in four interrelated issues: climate change, the future of ...

Martinez Refinery fire has impacted operations at the site that does nearly 10% of all of California's crude oil refining.

The Chevron refinery located behind a nearby neighborhood in Richmond on Feb. 21, 2024. Photo by Loren Elliott for ...

The 25% tariffs that President Donald Trump has threatened on imports from Mexico and Canada would cause pain in Arizona. Prices on fruits and vegetables, gas and housing would rise and tourism – and ...

The debate continues feverishly on social media sites like Reddit and TikTok: how much do you save when charging an EV ...