A system and method for regenerating a device in an engine exhaust after-treatment system
is provided. To regenerate the device, a syngas stream is introduced into the engine exhaust …

(57) ABSTRACT A method of operating an internal combustion engine having a reductant
delivery and storage system in an emission control system, comprising of correlating a …

In one aspect an internal combustion engine assembly may be provided that may include at
least one combustion chamber and an exhaust system with an after-treatment system that …

(57) ABSTRACT A procedure for controlling an exhaust gas purification sys tem of a
combustion engine, consisting of one or several catalytic converters for converting and/or …

A method of operating an internal combustion engine having a reductant delivery and
storage system in an emission control system, comprising of correlating a change in a …

In a control device for an internal combustion engine pro vided with a NOx catalytic
converter in an exhaust passage thereof, the progress of an undesired Substance removal …

Methods of monitoring replacement of a diesel particulate filter (DPF) by a non-particulate
matter filter. The disclosed methods takes into account a change in delta pressure based …

BACKGROUND Internal combustion engines, including diesel engines, gasoline engines,
natural gas engines, and other engines known in the art exhaust a complex mixture of air …

An exhaust purification system of an internal combustion engine includes an NO X storage
reduction catalyst device which is arranged in an engine exhaust passage. The NO X …

An exhaust gas treatment system for an internal combustion engine for determining a total
amount of sulfur that is stored on at least one aftertreatment device is provided. The exhaust …