U.S. REFINERS SCRAMBLE TO MEET REFORMULATED GASOLINE MANDATE

Refiners in the U.S. once again are grappling with ways to supply gasoline with a new composition required by environmental law. The phased removal of lead from U.S. gasoline is nearly complete after 15 years of efforts by refiners. In trendsetter California, sale of leaded gasoline was banned effective Jan. 1. Unleaded's share of the U.S. gasoline market climbed to about 96% in 1991 from 27.5% in 1977. Lead phasedown has been accomplished with relatively minor effects in U.S.

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