BOSTON (AP) - The price of a gallon of gas in Massachusetts has plummeted 9 cents in the past week.
AAA Southern New England reports Monday that self-serve, regular is now down to an average of $3.47 per gallon, a nickel below the national average.
The price in Massachusetts is 18 cents lower than a month ago and 42 cents lower than at the same time last year.
AAA found a gallon of self-serve, regular selling as low as $3.29 per gallon and as high as $3.73.
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