Gasoline prices nationwide increased 3¢ once again since last week. According to AAA Auto Club, the average price of a gallon of unleaded regular across the 50 states this week has returned to $3.17. The average in Wyoming according to AAA remained $3.57 per gallon with the lowest price now found in Laramie at $2.97 per gallon. Jackson Hole clearly has the highest average price for gasoline in the state, with the price per gallon now $4.12 according to AAA. Prices in the valley range from $3.94 per gallon to $4.25. In Teton County, Idaho, AAA now reports the average price for a gallon of regular as $3.88, while the statewide average in Idaho is $3.79 per gallon.