The three-way catalyst converter for motorcycle is mainly composed of metal carrier or honeycomb ceramic carrier and coating catalyst. Catalyst types: platinum, palladium, rhodium....

A diesel particulate filter removes particulate matter from diesel exhaust by physical filtration. The common type is a ceramic ( cordierite or silicon carbide) honeycomb substrate....

A diesel oxidation catalyst ( DOC) is a flow through device that consists of a canister containing a honeycomb substrate. The substrate has a large surface area that is coated....

Exhaust emissions are comprised of CO, hydrocarbons ( HC) and Nitrogen oxides ( NOx) . Which from gasoline engine operations. Gasoline engine operation is controlled at vary narrow....