BOSTON (AP) — The cost of a gallon of gasoline in Massachusetts is back at the $2 mark for the first time since December.

AAA Northeast announced Monday that self-serve, regular has risen 2 cents per gallon in the past week to an average of to $2, the sixth consecutive week of higher prices.

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The Massachusetts price is still 4 cents per gallon lower than the national average and 34 cents lower than it was a year ago.

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AAA found self-serve, regular selling for as low as $1.89 per gallon and as high as $2.19.

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