After a recent refinery fire at the Martinez Refining Company in California, Washington gas prices are up. In Washington, the ...

Experts in the oil and energy industries said that gas prices in California were temporarily affected by the Martinez ...

California gas prices are essentially unchanged for the second consecutive week at an average of $4.61 per gallon of regular fuel on Monday, approximately the same as last week's price, according to ...

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

California residents pay more for gas than anywhere else in the nation — and fuel prices are steadily rising, according to ...

Gas prices have dropped three cents nationwide and in California, making it the perfect time for road trips. The most expensive gas prices in the U.S. are in California, Hawaii, Washington, ...

Prices for California carbon emissions permits dropped over $2 per ton last week, according to state results announced ...

Gas prices in Arizona are the seventh highest in the United States. Why is gas so expensive? Here's what to know and where gas is cheapest.

Though fuel price hikes are normal in California, there’s one significant culprit this time around. A chaotic explosion and ...

Controversial changes to air pollution rules that could increase gasoline prices in California were placed on hold this week ...

According to GasBuddy’s latest survey of more than 10,500 stations, the statewide average has surged 22.4 cents per gallon in ...

Drivers in the Golden State are continuing to pay more at the pump than in any other state. The average price per gallon in ...