BP plc (BP) , on Monday, announced the resumption of normal operations at its critical Whiting refinery, marking a milestone after more than six weeks of downtime due to a plantwide power outage.The refinery stands as BP's largest facility in the United States and the nation's sixth. Processing a staggering 435,000 barrels of crude oil per day, the refinery produces a wide range of liquid fuels and asphalt, serving as a vital fuel supplier to the Chicago area.The power outage on Feb 1, triggered a cascade o ...