The U.S. state of Michigan has filed a lawsuit asking for an Enbridge Inc oil pipeline that runs under the Straits of Mackinac in the Great Lakes to be decommissioned, Michigan’s attorney general said on Thursday. The Line 5 oil pipeline ships 540,000 barrels per day of light crude oil and propane and is a critical part of Enbridge’s Mainline network, which delivers the bulk of Canadian crude exports to the United States. Potential disruption to Line 5 adds to the Canadian oil sector’s worries about transporting crude, with fierce opposition and long delays plaguing proposed expansions of other pipelines by Enbridge, TC Energy Corp and the Canadian government. The underwater portion of Line 5 has long been a bone of contention between Enbridge and the state of Michigan, which says a leak from the twin 66-year-old pipelines would cause catastrophic environmental damage to the […]