Gulf Coast Gasoline Weakens as Outlets to U.S. Midwest Dry Up By Dan Murtaugh - Jun 17, 2013 3:25 PM ET Gulf Coast gasoline on the spot market weakened as prices in Chicago plunged after refineries returned to service, reducing the incentive to ship products north from the U.S. refining center. Conventional, 87-octane gasoline on the Gulf Coast weakened by 4.38 cents to 11 cents a gallon below futures traded on the New York Mercantile Exchange at 1:39 p.m., according to data compiled by Bloomberg. The discount for 85-octane conventional blendstock for oxygenate blending on the coast widened 3.75 cents to 15.5 cents a gallon. Discounts narrowed last week after [Read more...]