Diesel on Prince Edward Island decreased overnight during a regularly scheduled Tuesday adjustment. Prices dropped by eights cents to a new minimum price of 250.4 cents per litre. The prices of self-serve gasoline did not change. It remains at a minimum of 187.3 cents per litre. Prices in Nova Scotia or New Brunswick did not change. The next scheduled adjustment for all three Maritime provinces is Friday. For more P.E.I. news, visit our dedicated provincial page.