PRICEY PLATINUM AFFECTS AIR POLLUTION CONTROL

摘要

Surprisingly,manufacturers of air pollution control products are the top consumers of platinum-not the jewellery industry.Platinum is the catalyst used inside most catalytic converters and diesel particulate filters to rid exhaust emissions of dangerous soot,hydrocarbons and carbon monoxide.With ever more stringent air quality regulations being enforced in the United States and Europe,the demand for platinum has soared with the need to control air pollution from cars,diesel trucks,construction vehicles,and emergency generators.