HOUSTON, May 9 (Reuters) - Gasoline retreated in the LosAngeles and San Francisco Bay spot markets on Thursday astraders said Royal Dutch Shell Plc was restarting acoking unit at its 156,400 barrel per day (bpd) Martinez,California, refinery.
May-delivery CARBOB fell 9 cents a gallon in L.A. to 36cents a gallon over June NYMEX RBOB gasoline. In the Bay, MayCARBOB slid 7 cents a gallon to 30 cents a gallon over JuneRBOB.
A Shell spokeswoman declined to discuss operations at theMartinez refinery on Thursday.
Gasoline in the Portland, Oregon, market remained at 55cents a gallon over June NYMEX RBOB as Tesoro Corp worksto restore production on the gasoline-producing fluidiccatalytic cracking unit at its 120,000 bpd Anacortes,Washington, refinery.
A Tesoro spokeswoman said on Thursday that unplannedmaintenance was being done on a unit at the refinery. Shedeclined to identify the unit.
May CARB diesel rose 1.75 cents to a discount of 1 centunder June NYMEX heating oil in the L.A market. Bay CARB dieselslid 5 cents to even with June heating oil.
Diesel in Portland rose 8 cents to 15 cents a gallon overJune heating oil. (Reporting by Erwin Seba. Editing by Andre Grenon)