Automakers were hoping that the plants can return to normal operations as temperatures moderate on Saturday and into next week.
The cause of the blaze remains under investigation.
Evacuation of nearby businesses was lifted after a few hours.
Water to fight the blaze was brought in by neighbouring fire departments for hours.
Recall covers 73,443 Ford Transit vans from 2015 through 2017 that have a trailer tow computer module.
$6 million expansion was added on the decades-old plant last fall.
One worker was injured, taken to hospital in Fort McMurray in serious but stable condition.
Fire at the Mildred Lake upgrader has been isolated and is under control.
Coal-fired generation unit that produces electricity caught fire.
Facility removes the liquid from natural gas and ships it to utilities along the East Coast.
Growth slowing, spreading to forested areas away from the city.
Evacuation ordered fro Anzac, Gregoire Lake Estates and Fort McMurray First Nation.
12 fuel tanks catch fire, forcing 150 employees to flee.
Community devastated as workers left with no income.
Pemex said none of the injuries to two petroleum workers and six contractors were serious; cause of blaze being investigated.