| abstract |
The treatment of exhaust emissions from high-grade combustion engines, for example oxidation catalyst mixtures for the oxidation of unburned hydrocarbons (HC) and carbon monoxide (CO) and for the reduction of nitrogen oxides (NO x ) from diesel engines and advanced combustion diesel engines A method, and a system. More particularly, a washcoat comprising at least two washcoat layers wherein the first washcoat comprises a palladium component and the second washcoat contains platinum and wherein at least about 50% of the total platinum is located on the backside of the catalyst. ≪ / RTI > |