Gas prices in Maine have dropped nearlyfour cents in the past week and are now averaging $3.39 per gallon. Price-monitoring website MaineGasPrices.com reports Monday thataverage retail gasoline prices in Maine are now just two centsabove the national average. Including the latest changes, gas prices in Maine were more than23 cents per gallon lower than the same day a year ago and areabout 24 cents per gallon lower than a month ago. Maine pricestopped out at $3.99 per gallon. The national average has decreased 24 cents per gallon duringthe last month and stands almost 20 cents per gallon lower than thesame day a year ago.