The price of gas is down, while diesel is up following a regularly scheduled Tuesday adjustment on Prince Edward Island. Regular self-serve gasoline decreased by 8.1 cents. The minimum price is now 168.9 cents per litre. The minimum price of diesel increased by 5.7 cents. The new price is 249.2 cents per litre. Prices at the pumps in Nova Scotia or New Brunswick did not change overnight. The next scheduled adjustment for all three Maritime provinces is Friday. For more P.E.I. news, visit our dedicated provincial page.