METHOD OF OPERATING INTERNAL COMBUSTION ENGINE

摘要

PROBLEM TO BE SOLVED: To provide a method of operating an internal combustion engine including operating the engine in two or more combustion modes. SOLUTION: A method of operating an internal combustion engine includes operating the engine in a first combustion mode. The method also includes switching operation of the engine to a second combustion mode. The method includes directing an exhaust stream of the engine into contact with a NOx adsorber substantially only during the operation in the second combustion mode. COPYRIGHT: (C)2006,JPO&NCIPI