Average gas prices in North Carolina have risen 5.2 cents per gallon in the last week, averaging $3.35 currently, according to GasBuddy’s survey of 6,092 stations in North Carolina. Prices in the state are 37.4 cents per gallon higher than a month ago and 21.3 cents per gallon higher than a year ago. The national average price of diesel has risen 5.4 cents in the last week and stands at $4.65 per gallon. Nothing can compare, though, to the $2/g price we paid under Trump.