Average gas prices in North Carolina have fallen 7.6 cents per gallon in the last week, now averaging $3.28/g, according to GasBuddy’s survey of 6,092 stations in North Carolina. Prices in the state are 13.8 cents per gallon higher than a month ago and 7.6 cents per gallon higher than a year ago. The national average price of diesel has fallen 5.2 cents in the last week and is currently $4.60 per gallon.