Triple-A says the cost of regular gas in Kentucky is four-cents higher a gallon for the second straight week. The average price at the pump in the Commonwealth is two-dollars-and-80-cents today, while the national average is two-86. Drivers in Covington are paying the most per gallon at two-90 for regular. Owensboro is posting the lowest average price in the state at two-63 a gallon, but that is seven-cents higher than a week ago.