In an unscheduled adjustment, IRAC has approved increases of 6.0 cents per litre in both diesel and furnace oil prices. There is no change in gasoline prices. Including taxes, pump prices for regular self-serve gasoline range from 183.5 to 184.7 cents per litre and prices for diesel are now between 194.2 and 195.4 cents per litre. The maximum price for furnace oil is 148.9 cents per litre.