Looming showdown as Michigan governor orders Canadian pipeline shut down

Line 5, built in 1953, is part of Enbridge’s mainland system, which carries fuel from Alberta’s oil sands to the Midwestern United States and Eastern Canada. Running from Superior, Wis., to Sarnia, Ontario, it is a key conduit for refineries in those regions, which make gas, propane and home-heating oils, as well as jet fuels for airports in Toronto and Detroit.

Source: WP