Fuel prices continued their steady decline across Washington this week, marking the third consecutive week of decreases as seasonal factors and increased fuel supplies continue to ease pressure at the pump. According to AAA, Washington's average price for a gallon of regular gasoline stood at $5.01 per gallon Nov. 9, down from $5.19 a week ago, a decrease of 18 cents. Nationally, motorists are also seeing relief. The U.S. average for regular ga…