The price of gasoline dropped 16 percent in Quebec last year, according to a study by CAA-Quebec.
The driver's support company says that means the average driver saved anywhere from $300 to $500 in 2015 compared to 2014.
Prices in Quebec and the Montreal region remain higher than elsewhere for a number of reasons.
While the price of a barrel of crude oil dropped, to an average of $52 in 2015, the weakened Canadian dollar still had a major impact in why the price of gasoline didn't drop as much.
The cost and the profit margin of refining oil is about 20 cents per litre, which is higher than in 2014, but is due mostly to the the value of Canadian currency.
Other factors contributing to the price of gasoline being higher in Montreal include more taxes per litre of gas in the metropolitan region, and Quebec's carbon market.
Anne-Sophie Hamel of CAA-Quebec said the profit margin in Montreal increased in 2015.
"Especially in Montreal, the retail margins have gone up seven percent while in other regions, in 17 different regions in Quebec - in ten regions the retail margins stayed the same or decreased. So for us there's a lot of questions there," said Hamel.
Quebec's carbon pricing market was launched several years ago in an effort to reduce greenhouse gases. Ontario is poised to join the market next year, while Manitoba announced in December that it would join the cap and trade program.
CAA also noted that of the 17 times that gasoline prices were raised on a Friday, 11 of those times the hike was not connected to any increase in the price of crude.
