Gas Prices Fall In Nova Scotia Yarmouth, NS, Canada / Y95.5 Kevin Northup Dec 16, 2022 | 6:13 AM Mike Mozart / CC Gas prices fell overnight once again. The biggest drop was diesel, nearly 12 cents a litre. Motorists will pay about $2.20 a litre to fill up this morning. Regular saw a small decrease of just over a cent. It’s now about $1.40 a litre.