Plans to bring back more than 1 million barrels a day of lost production in Canada’s oil sands are being delayed as wildfires sweeping across northern Alberta threaten operations again, prompting Suncor Energy Inc. to evacuate three sites it was restarting. The nation’s largest oil producer is flying employees from its MacKay River, Firebag and base plant sites as it shuts down the facilities days after beginning the process of resuming output. The wildfire that’s raged for more than two weeks circled back north of the city toward the main operations in the oil sands, the world’s third-largest reserves. About 8,000 workers were removed from lodging facilities as the blaze grew to about 3,550 square kilometers (1,370 square miles), Alberta Premier Rachel Notley said. That’s an area bigger than Rhode Island. Horizon North Logistics Inc.’s Blacksand lodge, a work camp about 40 kilometers (24 miles) northwest of Fort McMurray […]