Gas prices are in general 40 cents higher per gallon in California than in the rest of the US. Everyone from out of state who comes to the Golden State usually wonders why. Well, it's because California has a high gas tax and - this is not so widely known - it's own special fuel blend to fight air pollution. There are only a few selected refineries that can produce it and this "blends in" in the equation. You can read more about it here.
Photo: The Chronicle. Pay cash and you get a discount!