Catalytic converters, which convert pollutants into harmless gases, can be damaged by road debris, contaminated by engine oil or coolant, or become clogged and restrict exhaust flow.

They are also used on some wood stoves to control emissions. What Materials are Used in Catalytic Converters? The catalytic converter is made up of several materials. The catalyst core or substrate ...

Catalytic converter theft from special education buses could cost $50K — if replacement parts can even be found, agency says Updated: Apr. 29, 2021, 2:22 p.m. | Published: Apr. 29, 2021, 2:22 p.m.