Various embodiments of an apparatus, system, and method are disclosed for controlling NO
x conversion in a selective catalytic reduction (SCR) system. According to one …

For example, according to one representative embodiment, an apparatus for reducing NO x
emissions in an engine exhaust includes a NO x reduction target module configured to …

BACKGROUND Emissions regulations for internal combustion engines have become more
stringent over recent years. The regulated emissions of NO, and particulates from internal …

According to one representative embodiment, an apparatus for reducing NO emissions in an
engine exhaust gas stream of an engine system having a selective catalytic reduction (SCR) …

A system includes an engine, an exhaust conduit for the engine, a first SCR catalyst fluidly
coupled to the exhaust conduit, and a second SCR catalyst fluidly coupled to the exhaust …

Various embodiments of an apparatus, system, and method are disclosed for manipulating
the properties of engine exhaust at least partially through the engine's control system to …

According to one embodiment, described herein is an exhaust gas after-treatment system
that is coupleable in exhaust gas stream receiving communication with an internal …

A method of controlling an internal combustion engine and exhaust system having an SCR,
and engine and exhaust system including an SCR, described herein, monitors, in real time …

A method of dosing a reagent into an exhaust gas stream of an internal combustion engine
having an SCR catalyst, the method comprising injecting reagent from a reagent tank into …

Described herein are various embodiments of an apparatus, a system, and a methods for
reducing NO x emissions using ammonia storage on an SCR catalyst. For example …