Gas prices are expected to rise 3.4 cents at midnight, industry watchdog Roger McKnight told 680News.
The senior petroleum adviser at En Pro said drivers will pay an average of 136.8 cents a litre at most GTA gas stations.
Gas industry watchdog Dan McTeague, of Tomorrow’s Gas Price Today, called the increase “absurd and unjustified.”
“Increases of this magnitude would suggest a major international event or supply disruption, neither of which can be considered since they have already been factored in over the last few weeks,” he said.
The price for gas peaked at $1.40 a litre in April.