As of June 17, gasoline prices in Montana have fallen 4.0 cents in the past week, averaging $2.85 a gallon according to GasBuddy.com. Prices are 2.0 cents per gallon lower than a month ago and are 8.5 cents per gallon lower than a year ago.
The national average has fallen 6.2 cents per gallon during the last week and stands 22.2 cents per gallon lower than a year ago.