Average gas prices in North Carolina have risen 6.1 cents per gallon in the last week, averaging $3.34/g today, according to GasBuddy’s survey of 6,092 stations in North Carolina. Prices in the state are 3.1 cents per gallon higher than a month ago and 117.2 cents per gallon lower than a year ago. The national average price of diesel has fallen 3.4 cents in the last week and stands at $3.88 per gallon.