Gas Up, Diesel Down In Nova Scotia Yarmouth, NS, Canada / Y95.5 Kevin Northup Sep 16, 2022 | 5:31 AM Fuel Prices. (CREDIT: PIXABAY) The price of gas went up slightly overnight. It increased by about three and a half cents. You’ll pay around $1.52 a litre to fill up this morning. Diesel prices fell by four cents, it’s below $1.90 per litre.