Massachusetts gas prices are down another two cents per gallon, and are now three cents lower than the national average.

AAA Southern New England reports Monday that self-serve, regular has dropped to an average of $3.63 per gallon.

The local price has now dropped 13 cents in the past month and is 13 cents lower than at the same time last year.

AAA found self-serve, regular selling as low as $3.45 per gallon and as high as $3.99. [Associated Press]

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