Gas prices continue to fall throughout the state. As reported by Triple-A, the average price for a gallon of regular declined last week in Pennsylvania to a few tenths, under $3.46, this as the corresponding national average dipped to just under $3.09 a gallon. Costs were lowest in Texas, inching downward to just over $2.55. At the opposite end of the gas-price spectrum, costs were down in California, falling last week to $4.63 a gallon.