Cenovus Energy Inc.’s Christina Lake oil sands site vented the most natural gas in more than four years into the atmosphere when a wildfire forced an emergency shutdown of the facility in May. Cenovus Energy Inc.’s Christina Lake oil sands site vented the most natural gas in more than four years into the atmosphere when a wildfire forced an emergency shutdown of the facility in May. Cenovus Energy Inc.’s Christina Lake oil sands site vented the most natural gas in more than four years into the atmosphere when a wildfire forced an emergency shutdown of the facility in May.
