Costco has long been known as a source of low-cost gasoline. It’s commonly reported that Costco’s Kirkland fuel is 20 cents ...

Major oil companies account for a small percentage of global carbon dioxide emissions, with other sources like coal and ...

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

Michigan gas prices changed little from a week ago, with drivers paying an average of $3.08 a gallon for regular unleaded, just a penny more, according to AAA. But analysts warn that prices are likely ...

The nation’s average price of gasoline has fallen for the first time in 3 weeks, declining 3.8 cents compared to a week ago, ...

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

California officials want to reduce the financial credits that households with rooftop solar panels can earn for excess ...

Gasoline prices are up 29 cents a gallon in Arizona since President Trump took office; prices for produce and other consumer ...

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

The average price of a gallon of self-serve regular gasoline in San Diego County dropped six-tenths of a cent Saturday to ...

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