3.  In 1975, the catalytic converter was installed on all new cars.  The job of the catalytic converter is convert harmful pollutants into less harmful emissions before they ever leave the car’s exhaust system.

4.  Catalytic converters are designed to reduce all three pollutants:  Carbon monoxide  Hydrocarbons  Nitrogen oxides  Main emissions of the car engine  Nitrogen gas N2  Carbon dioxide  Water vapor

5.  Catalytic Converter Operations Catalytic Converter Operations

6. A coal scrubber is designed to remove SO2 and Nox from coal production factories. Please take notes on the Coal Scrubber Notepage while watching this video.

7.  Coal production & scrubbers Coal production & scrubbers