Mass. gas prices up another penny

The average cost of a gallon of gas in Massachusetts is up by another penny

BOSTON (AP) -- The cost of a gallon of gasoline in Massachusetts has inched up another penny in the past week.

AAA Southern New England reported Monday that self-serve, regular is now selling for an average of $3.47 per gallon.

Current in-state prices are 6 cents per gallon higher than a month ago and 2 cents higher than at the same time a year ago.

The Massachusetts price is also 15 cents per gallon higher than the national average.

AAA found a price range of 26 cents for self-serve, regular, from a low of $3.35 to a high of $3.61 per gallon.