U.S. BRIEFS

ARCO PRODUCTS CO. is withdrawing its application to California's South Coast Air Quality Management District for emission reduction credits for introducing its cleaner burning EC Premium gasoline. It blames negative public reaction. ARCO planned to use emissions credits earned for its reformulated gasoline to expand its Carson, Calif., refinery to produce more reformulated gasoline. Environmentalist groups had complained EC Premium's air quality gains would be negated by ARCO's