People fill up their cars at a gas station in Oakland. The state recently hiked gas prices by 12 cents per gallon to fund road repairs. People fill up their cars at a gas station in Oakland. The state recently hiked gas prices by 12 cents per gallon to fund road repairs. Bobby Pohl of Walnut Creek fills up his truck at a gas station in Oakland. California is trying to reduce the carbon intensity of transportation fuels through a program called the Low Carbon Fuel Standard.