Air-fuel ratio control system for internal combustion engine

System for monitoring and indicating filter life

Internal combustion engine exhaust emission control device and exhaust emission control method

Control strategy for transitions between homogeneous-charge compression-ignition and spark-ignition combustion modes

Method for operating components for exhaust gas after-treatment and exhaust gas after-treatment apparatus

Method for purification of exhaust gas from a diesel engine

Regulating strategy for a catalytic converter concept for exhaust-gas aftertreatment having a plurality of nitrogen oxide storage catalytic converters

Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engine

Control system and method for preventing hydrocarbon slip during particulate matter filter regeneration

Methods and systems for variable displacement engine control

Abnormality detection apparatus for exhaust gas purification apparatus and abnormality detection method for exhaust gas purification apparatus

Apparatus for controlling supply power to conductive carrier of catalyst converter

Exhaust gas control device of internal combustion engine

Particulate filter regeneration

Method for diagnosing the performance of a catalytic converter

Method and apparatus for testing a catalyst material

Catalyst temperature estimating device and catalyst temperature estimating method

Exhaust gas purification system abnormality diagnosing device and abnormality diagnosing method, and exhaust gas purification system

System and method for preventing objects from entering the intake of a jet engine

Method of diagnosing regeneration failure of exhaust emission control device

Rich fuel mixture super-turbocharged engine system

Method of controlling an internal combustion engine and corresponding internal combustion engine

System, method, and apparatus for determining aftertreatment fluid quality

EGR system for an internal combustion engine that feeds exhaust gas independent of intake air

Method for estimating slippage of a selective catalyst reduction system

Method for managing the exhaust gas circulation circuit of a petrol thermal engine and corresponding recirculation system

Diesel aftertreatment regeneration system and method

Method and device for the purification of diesel exhaust gases

System and method for controlling exhaust gas temperature during particulate matter filter regeneration

Method for operating an exhaust emission control system having a SCR-catalyst and an upstream oxidation catalyst exhaust emission control component

Engine and exhaust aftertreatment control

Control device for internal combustion engine having an external exhaust gas recirculation system

Method for monitoring a pollutant conversion capacity in an exhaust gas aftertreatment system

Apparatus, system, and method for catalyst presence detection

Thermal enhancer and hydrocarbon doser

Exhaust purifying system for internal combustion engine

Device and method for controlling an electromagnetic valve

Method of regenerating an exhaust gas purification filter, and vaporizer

Method and apparatus for monitoring the light-off temperature of a diesel oxidation catalyst

Device and method for compressor and charge air cooler protection in an internal combustion engine

Method for operating an exhaust gas treatment system having an SCR catalytic converter

Method for operating an exhaust gas treatment system having an SCR catalytic converter

Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system

State of charge catalyst heating strategy

Method for controlling an internal combustion engine in connection with an exothermal regeneration of an exhaust gas aftertreatment component

Hydrocarbon and NOx trap

System and method for operating a turbocharged engine

Vehicle reduced emission deployment

Exhaust emission control system of internal combustion engine

Fuel-fired combustor

Diagnosis apparatus for reducing agent supply apparatus

Identifying ammonia slip conditions in a selective catalytic reduction application

Condensation detection systems and methods

Procedure and device for a switching pressure calculation at a metering valve

Method and device for operating an internal combustion engine

Detecting particulate matter load density within a particulate filter

Method and system for regenerating an exhaust gas purification unit

Diesel particulate filter regeneration control and method

Fuel admission control unit to control a diesel engine

Exhaust gas purifying system

Exhaust emission control device

Method and device for monitoring an exhaust gas recirculation system and computer program

Diagnostic systems and methods for selective catalytic reduction (SCR) systems based on NOx sensor feedback

Power system

Internal combustion engine having turbocharging and low-pressure exhaust-gas recirculation

Exhaust emission purifier of internal combustion engine

Degradation diagnostic apparatus for NOx catalyst

Exhaust gas control apparatus for internal combustion engine

Method for regenerating a diesel particulate filter

Reagent dosing system and method of dosing reagent

Method of estimating catalyst temperature of a multi-displacement internal combustion engine

Controlling exhaust gas recirculation in a turbocharged compression-ignition engine system

Method for operating a metering valve and apparatus for implementing the method

Electrically heated particulate matter filter soot control system

High exhaust temperature, zoned, electrically-heated particulate matter filter

Control oriented model for LNT regeneration

Optimized exhaust after-treatment integration

Method of using solar panel support apparatus