A new study from the University of Southern California warned that gas prices in the state could reach $8 per gallon by the end of 2026. Two oil refineries in the state, the Phillips 66 refinery in Los Angeles and the Valero facility in Northern California,

California could see retail gas prices as high as $8.40 a gallon if it continues down the path it is on, a researcher warns.

Pain at the pump? California gas prices, already the highest in the nation, could get even more expensive. Here's why.