The average price for a gallon of gasoline is down in the Commonwealth of Massachusetts.
Yet in one county, the price still exceeds $5 per gallon. In Nantucket County, the price remains well above the state average ($3.812 per gallon, according to AAA). On the island, the average price for a gallon of gas is $5.246 — more than $1.40 higher than the average in the rest of the state, according to AAA.
