A method of making an exhaust treatment element includes washcoating a substrate with a slurry that includes a catalyst support material. At least some of the catalyst support material from the slurry may be transferred to the substrate, and silver metal (Ag) is dispersed within the catalyst support material.
U.S. GOVERNMENT RIGHTS
This invention was made with government support under the terms of Contract No. DE-FC05-97OR22579 awarded by the Department of Energy. The government may have certain rights in this invention.