AUGUSTA, Maine — The average cost of a gallon of gas in Maine has crossed the $4 threshold.
Price-monitoring website MaineGasPrices.com reports Monday that the average retail cost rose nearly four cents per gallon in the past week to $4.01.
The national average rose just over two cents in the past week to an average of $3.86 per gallon.
Current prices are now 31 cents per gallon more than at the same time last year and 19 cents per gallon higher than a month ago.
The lowest price reported on GasBuddy was $3.88 per gallon in Biddeford in York County, and the highest was $4.19 per gallon in Madawaska in Aroostook County.