This could entail programming of fuel metering systems for leaner operation to reduce hydrocarbon and carbon monoxide emissions. ... Although some fuel economy penalties would be incurred, average new car emission levels approximately equal to 1977-79 ... Under such dire circumstances, pressures would mount to recover PGM from operating vehicles. ... and Chemical Catalysts Both PGMs and cobalt are extensively used in the petroleum and chemical industries as catalysts.
|Title||:||Strategic materials : technologies to reduce U.S. import vulnerability.|
|Publisher||:||DIANE Publishing -|