Gasoline up, diesel down in N.S. Halifax, NS, Canada / Country 103.5 Kelli Rickard Mar 21, 2025 | 8:43 AM mary_smn / Depositphotos.com There is change in both directions at Nova Scotia fuel pumps on Friday. Self-serve regular gas saw an increase of nearly 5 cents a litre at midnight to a minimum of $1.60. Diesel is down a little – it fell by about one cent to around $1.80.