HOUSTON, April 15 (Reuters) - April-delivery CARBOB gasoline retreated 0.75 cent a gallon to 10.5 cents a gallon over May NYMEX RBOB gasoline in the Los Angeles spot market as BP Plc (LSE: BP.L - news) completed planned work on a hydrotreater at its 240,000 barrel per day (bpd) Carson, California, refinery, traders said.
April CARBOB in the San Francisco Bay market fell 12 cents a gallon to 9 cents a gallon over May NYMEX RBOB gasoline.
In the Portland, Oregon, market, gasoline was unchanged at 6 cents a gallon over May NYMEX RBOB.
April CARB diesel retreated 2 cents to 1.5 cents a gallon over May NYMEX heating oil in the Los Angeles market. April Bay market CARB diesel slid 7 cents a gallon to 15 cents a gallon over May NYMEX heating oil.
Jet fuel in L.A. was down 0.25 cent at 2.5 cents a gallon over May NYMEX heating oil. (Reporting by Erwin Seba; Editing by Jijo Jacob)

