BOSTON (AP) -- The average cost of a gallon of gas in Massachusetts has ticked up another penny.
A weekly survey released by AAA Southern New England on Monday shows that self-serve, regular is up to an average of $3.52 per gallon,
That price is 6 cents lower than the national average for self-serve, regular and 4 cents per gallon lower than at this time last year.
AAA found a price gap of 30 cents, from a low of $3.39 per gallon to a high of $3.69.
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