GasBuddy shows the biggest drop is in Vermont, where the average retail price is $2.22 a gallon, down 4.1 cents from last week.

The average price per gallon in Maine has fallen 3.8 cents to $2.21. In New Hampshire, the price went down 2.8 cents, to $2.16.

The national average of $2.15 has fallen 4.5 cents during the last week and stands 56.6 cents per gallon lower than a year ago.