Canadian heavy crude prices have collapsed as the European war upends global market flows and makes oil sands crude less valuable. Western Canadian Select’s discount to benchmark West Texas Intermediate grew $1.70 to $20.80 a barrel in Alberta on Friday, the widest in almost seven months, data compiled by Bloomberg show. The growing discount has muted the benefits to oil sands producers such as MEG Energy Corp. and Cenovus Energy Inc. from the surge in benchmark oil prices above $100 a barrel. Soaring energy costs prompted the Biden administration to tap US strategic petroleum reserves, nearly all of which is similar in grade to oil sands crude. As many as 39 million barrels of these sour barrels will be released this summer, […]