Midwest Gasoline Gains After Marathon Refinery Work Moved Up

Midwest gasoline rose after Marathon Petroleum Corp. rescheduled planned maintenance at the Robinson refinery in Illinois, moving it to this month from July.

The crude unit at the plant will shut for about three weeks starting around June 9, said a person with knowledge of the situation. The plant can process 215,000 barrels of crude a day, according to data compiled by Bloomberg.

The discount for conventional, 87-octane gasoline in the Midwest, or Group 3, narrowed 10.12 cents to 0.38 cent versus futures traded on the New York Mercantile Exchange at 2:39 p.m., according to data compiled by Bloomberg. It’s the highest level since Nov. 9. Prompt delivery fell 6.95 cents to $2.6505 a gallon.

Tesoro Corp. will cut processing rates by more than half at the Mandan refinery in North Dakota on about June 11 for planned work that will increase the plant’s capacity, a person with knowledge of the schedule said.

Conventional gasoline in Chicago rose 6 cents to a premium of 11 cents versus futures.

BP Plc shut the smallest of three crude units at the Whiting refinery in Indiana for unplanned maintenance because of a malfunction, a person familiar with the situation said.

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