(Portland, OR) -- Gas prices are up on the West Coast, because of a refinery fire in the San Francisco area. The Valero refinery processes 145 thousand barrels of oil a day. The Triple-A reports the average price for a gallon of gas in Oregon increased three cents over the last week to 3-93. California's average increased 14 cents to 4-91. Washington state's average is up four cents to 4-30 a gallon.