DETROIT -- In a world of higher octane gasoline -- in which 95 would replace 87 and become the new regular -- automakers could more easily and affordably meet stringent fuel economy standards as well as reduce carbon dioxide emissions.
DETROIT -- In a world of higher octane gasoline -- in which 95 would replace 87 and become the new regular -- automakers could more easily and affordably meet stringent fuel economy standards as well as reduce carbon dioxide emissions.