Gas, Diesel Prices Expected To Rise Slightly Moncton, NB, Canada / 91.9 The Bend Syndicated Author May 2, 2018 | 6:01 AM New Brunswickers should be ready to shell out more at the gas pumps this week. Gasbuddy.com senior petroleum analyst Dan McTeague says gas is expected to climb 1.5 cents per litre, and diesel is going to rise by a penny per litre.