By Douglas Harrison ( March 31, 2021, 8:43 AM EDT) -- Since 1953, Enbridge’s Line 5 pipeline has shipped western Canadian crude oil and other products from Superior, Wis., across Michigan, to refineries in Sarnia, Ont. It carries about 540,000 barrels of oil every day. From Sarnia, refined oil is shipped east through the Line 9 pipeline, which not only supplies all the jet fuel consumed at Toronto’s Pearson airport but also, among other things, two-thirds of all crude oil consumed in Quebec....