Massachusetts gas prices up 4 cents per gallon

BOSTON -- Gasoline prices in Massachusetts have risen four cents in the past week.

AAA Southern New England reports Tuesday that a gallon of self-serve, regular is selling for an average of $3.88.

The cost in Massachusetts is seven cents above the national average, eight cents higher than a month ago and 47 cents higher than at the same time last year.

AAA found self-serve, regular selling as low as $3.79 per gallon and as high as $4.06.