An exhaust system that processes exhaust generated by an engine is provided. The system includes: a particulate filter (PF) that is disposed downstream of the engine and that filters particulates from the exhaust; and a grid that includes electrically resistive material that is segmented by non-conductive material into a plurality of zones and wherein the grid is applied to an exterior upstream surface of the PF.
STATEMENT OF GOVERNMENT RIGHTS
Certain of the subject matter of the present application was developed under Contract Number DE-FC-04-03AL67635 awarded by the Department of Energy. The U.S. government has certain rights in this invention.