In an attempt to understand the mechanism of catalysis a Bell Labs group has found a class of compounds that are good catalysts for the oxidation of carbon monoxide. The Bell group, Rudie Voorhoeve, Joseph Remeika, Paul Freeland and Bernd Matthias (also at the University of California, La Jolla), says that the compounds are Promising substitutes for platinum in devices for catalytically treating automobile exhaust.

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