Nationally, gas prices are up nearly a dime a gallon and in Oregon gas prices are up two-cents at $3.03 a gallon. Triple-A's Marie Dodds says Oregon's average is 12th highest in the country. Washington's average of $3.14 is sixth highest. Hawaii has the most expensive gas at $3.52 a gallon. Here in Bend, the average is about three dollars a gallon.