Nova Scotia The price of regular self-serve gasoline in Nova Scotia’s Zone One decreased by 3.5 cents. The minimum price is now 138.1 cents per litre in the Halifax-area. Diesel prices decreased by 1.7 cents per litre. The new minimum price is 135.6 cents a litre. In Cape Breton, the price of regular self-serve gasoline is 140.1 cents per litre and the price of diesel is 137.5 cents a litre. Prince Edward Island On P.E.I., the price of regular self-serve gasoline decreased by four cents. The minimum price on the island is now 143.3 cents per litre. The price of diesel decreased by 3.4 cents. The minimum price is now 144.7 cents per litre. New Brunswick The price of regular self-serve gasoline decreased by 3.7 cents in New Brunswick. The new maximum price in the province is 141.7 cents per litre. Diesel prices increased by 2.1 cents, bringing the maximum price to 140.4 cents a litre.