BOSTON (AP) — Another week means another double-digit plunge in the cost of a gallon of gasoline in Massachusetts.

AAA Northeast reported Monday that the price of a gallon of self-serve, regular dropped 11 cents in the past week to an average of $2.25.

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Prices in Massachusetts have now fallen for 18 consecutive weeks.

Bay State prices are now 43 cents lower than a month ago and $1.19 lower than a year ago. The price, however, is 12 cents per gallon above the national average.

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AAA found self-serve, regular selling for as low as $2.05 and as high as $2.89 per gallon.

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