None of these power plants have still been equipped with the modern emission control systems that many other major economies have made a routine requirement for. (greenpeace.org)
Platinum is used in jewellery, laboratory equipment, electrical contacts, dentistry, and automobile emissions control devices. (sciencedaily.com)
This might be a good way to help cut it down, along with other improvements such as mandated better engines and emission control equipment and low - sulfur fuels. (treehugger.com)