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Canadian Heavy Oil Weakens as Pegasus Pipeline Shuts for Work

Canadian heavy oil prices weakened as Exxon Mobil Corp. said it’s conducting planned work on the Pegasus Southern pipeline that runs from Illinois to Texas.

Concerns that low water levels on the Mississippi River may limit barge traffic later this month also contributed to the weakness in Canadian heavy oil. Barges moved 52,300 barrels of oil a day from the U.S. Midwest to the Gulf Coast in September, Energy Department data show.