Diesel And Furnace Oil Prices Dip Saint John, NB, Canada / Country 94 Tara Clow Nov 2, 2022 | 8:10 AM Bill Smith / CC A break overnight for users of diesel and furnace oil. The Energy and Utilities Board invoked its interrupter clause overnight. Diesel is down 13.5 cents to 220.9. Furnace oil dropped by 13.1 cents a litre to 199.0