Catalysts and catalyst carriers for combustion engines and motors, namely, catalytic converters for use in combustion engines and motors, catalytic converters for reducing emissions for use in combustion motors and engines; catalysts and catalysts carriers for propulsion systems for land, air and sea vehicles, namely, catalytic converters for use in propulsion systems of land, air and sea vehicles, catalytic converters for reducing emissions for use in propulsion systems of land, air and sea ...