BOSTON (AP) — The price of a gallon of gasoline in Massachusetts has plunged 9 cents in the past week and is now a full dime below the national average.

AAA Northeast reports Monday that self-serve, regular is now selling for $2.32 per gallon.

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The current price is still 7 cents higher than a month ago, but $1.20 lower than at this time last year.

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The national average for self-serve, regular is $2.42 per gallon.

AAA found self-serve, regular selling for as low as $2.13 per gallon in Massachusetts and as high as $2.59.

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