U.S. REFINERS CHOOSING VARIETY OF ROUTES TO PRODUCE CLEAN FUELS

Ralph Ragsdale Bechtel Corp. Houston Passage of the Clean Air Act Amendments of 1990 has prompted U.S. refiners to install new facilities to comply with stricter specifications for gasoline and diesel fuel. Refiners are choosing a number of routes to produce these clean fuels. A roundup of the types of new facilities being built will provide a reference for those refiners who have not yet begun such projects, and an overview of the difficulties U.S. refiners are facing. Only those processing