VELOSTER(FS) >2013 > G 1.6 T-GDI > Emission Control System > Exhaust Emission Control System > Catalytic Converter>Description and Operation  
The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx).
There are two types of three-way catalyst; Palette type and Monolith type.