In an unrelated action, California’s gasoline excise tax, which is adjusted annually, increased 1.6 cents per gallon on ...

CALIFORNIA’S REVAMPED Low Carbon Fuel Standard takes effect on Tuesday, despite fierce Republican criticism and increasing ...

No immediate hike in California gas prices will occur, but Democrats and Republicans in the Legislature fear the effects of ...

The backstory: Gov. Gavin Newsom’s office issued a fact-check memo defending the rule and saying the impacts are exaggerated, ...

The state is speeding up its timeline to cut the carbon intensity of fuels, which could increase gasoline prices by between 6 ...

Fuel injection offers drivers increased efficiency and power. But there's a common problem, too: carbon buildup on the engine ...