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As if any more proof supporting the theory of unintended consequences was needed, scientists in Massachusetts have
found detectable levels of platinum, palladium, rhodium and osmium in the air around Boston. These materials are found
in catalytic converters, and these are thought to be the source. Clearly, one should not go invoking the spirit of
Dale Gribble and remove their “pollution controls” as the
benefit far outweighs the drawback, but some work is definitely necessary to further improve the reliability and
durability of such devices.