Gas down, diesel up in N.S. Halifax, NS, Canada / Country 103.5 Kelli Rickard Oct 4, 2024 | 8:16 AM lightpoet / Depositphotos.com If you’re filling up, Nova Scotia is seeing only slight changes at the pumps on Friday. The price of self-serve regular gas fell at midnight by about a cent per litre to a minimum of $1.50. Diesel increased nearly a cent a litre to about $1.60.