Mobil and Shell stations are now selling unleaded fuel at $3.279 a gallon and premium gas is sold at $3.589 a gallon.
Before May 15, gasoline stations were retailing unleaded fuel at $2.979 a gallon and $3.27 the premium gas.
Rota and Tinian are selling fuel products at higher prices because of additional shipping costs.
The recent price hikes follow the sudden rise in crude oil prices in the international market.
Crude oil was sold at $67 a barrel on Monday — up by more than 50 percent compared to previous months’ sales.
Fuel prices in the Northern Marianas hit more than $5 a gallon as crude oil prices rose to over $150 a barrel a year ago.
Residents now fear that the Commonwealth Utilities Corp. will also raise its power rates.
