Pennsylvania drivers continue to pay significantly higher-than-average prices at the pump. As reported by Triple-A, the average price for a gallon of regular dipped slightly on Friday to three dollars and 66 cents, as the national average rose incrementally to about three-54 a gallon. Prices remain lowest in Mississippi, where drivers saw their state average rise slightly on Friday to about two-80 a gallon. California drivers continue to pay the most. Yesterday’s Golden State average was up slightly at just under four-80 a gallon.