Sept. 25 (Bloomberg) -- San Francisco gasoline weakened to the lowest level since in almost four weeks after Royal Dutch Shell Plc reported that its Martinez refinery was operating normally after maintenance.
California-blend, or Carbob, gasoline in San Francisco weakened by 1.5 cents to a premium of 4 cents a gallon over futures on the New York Mercantile Exchange, according to data compiled by Bloomberg. It’s the smallest premium since Aug. 29.
The 165,000-barrel-a-day Shell refinery in Northern California started maintenance on Sept. 11 to “optimize operations,” Houston-based spokeswoman Destin Singleton said at the time. The refinery is now operating normally, Singleton said today.
Carbob in Los Angeles strengthened by 1.25 cents to a premium of 13.25 cents a gallon. Conventional, 84-octane gasoline in Portland, Oregon, weakened by 2 cents to a premium of 8 cents a gallon.
California-blend diesel in San Francisco weakened by 0.25 cent to a discount of 2.5 cents a gallon to ultra-low-sulfur diesel futures on the Nymex. The fuel in Los Angeles weakened by 0.5 cent to a premium of 0.25 cent. Low-sulfur diesel in Portland weakened by 2.25 cents to a discount of 4.5 cents.
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