An increase overnight of 2.0 cents per litre in the price of gasoline on the Island. IRAC announced approval and the increase took effect at 12:01am Friday. Including taxes, pump prices for regular self-serve gasoline now range from 164.3 to 165.5 cents per litre. After unscheduled adjustments that took effect Thursday, there’s no change Friday in diesel or furnace oil prices. Propane price adjustments ranged from a decrease of 1.0 cent per litre to an increase of 0.8 cents per litre. Propane prices now range from 81.8 to 82.7 cents per litre.