Gas prices in Maine are going up as the summer travel season approaches. According to AAA, which tracks gas prices nationwide, a gallon of regular was averaging $2.28 on Monday. In the Bangor area AAA is reports an average of $2.29 per gallon. While the numbers may be rising they are still nearly $1.50 cheaper than a year ago, when gasoline prices were spiking around the world. AAA says Maine gas prices are a nickel a gallon higher than the national average.To view AAA’s Fuel Gauge Report click here.