The US Energy Information Administration is reporting that gasoline prices have again decreased slightly during the past week, slipping by nearly a half cent per gallon to a national average of $3.49 for a gallon of unleaded regular. Meanwhile, AAA Auto Club’s daily Fuel Gauge Report lists the highest prices in the country between $4.30 per gallon to $3.68 per gallon. Here in Jackson Hole, prices for the past two weeks have averaged $3.87 per gallon which is among the highest in the country. Across the pass, the average price for a gallon of regular gasoline in Teton Valley is now $3.75-point-9. In Idaho Falls, look for gasoline to typically cost $3.65 per gallon now.