Gas prices continue to rise in Ottawa, although they remain roughly in line with the national average. Price-tracker Gasbuddy.com puts the average cost of gas in Ottawa at approximately $1.62 per litre. The cost to fill up in the capital remains near the national average, which the website puts at $1.64 per litre, and CAA has at $1.63 per litre. Prices have risen dramatically in Ottawa and across the country in recent weeks, after conflict in the Middle East shocked global energy markets. According to Gasbuddy.com, on Feb. 28, the day the U.S. and Israel sent military strikes into Iran, the average cost of gas in Ottawa was at under $1.29 per litre — over 30 cents lower than the current average.