August 2021, Vol. 248, No. 8
Projects
Enbridge Says More Permits Will Delay Line 5 Tunnel Project
Enbridge said the U.S. Army Corps’ decision to begin a tougher environmental review of the company’s proposed oil pipeline tunnel under the Great Lakes will set back construction on the project. Calgary, Canada-based Enbridge had expected to begin the $500 million tunnel beneath the Straits of Mackinac. The tunnel would contain a 4-mile (6.44-km) section of the aging Line 5 oil pipeline, which currently runs along the lakebed. Line 5 ships 540,000 barrels per day of oil and refined products from Superior, Wisc. to Sarnia, Ont., and is a key link in Enbridge’s crude export network. “The decision by the U.S. Army Corps of Engineers (USACE) to complete an env

Comments