The average cost of a gallon of gas in Massachusetts has fallen three cents in the past week.
AAA Southern New England reports Monday that self-serve, regular has dropped to an average of $3.56 per gallon, three cents below the national average.
The current in-state price is 31 cents lower than at the same time last year and 13 cents lower than a month ago.
AAA found self-serve, regular selling as low as $3.32 per gallon and as high as $3.75.
This program aired on April 8, 2013. The audio for this program is not available.