Process for the catalytic exhaust gas aftertreatment of...

Process for the catalytic exhaust gas aftertreatment of...

Purge control device for use in an internal combustion engine

Purification capacity recovery method of exhaust gas...

Purifier of diesel particulates in exhaust gas

Quick-heating catalytic converter

Radio frequency-based particulate loading monitoring system

Rapid catalyst warm-up control device for internal...

Reactor for afterburning of unburned constituents in the exhaust

Reducing agent dosing device

Reducing agent dosing device

Reducing agent for emission control system, reducing-agent...

Reducing NO x emissions with a staged catalyst

Reducing oxides of nitrogen using hydrogen generated from...

Reductant distributor for lean NOx trap

Reduction of exhaust smoke emissions following extended...

Reed valve assembly

Reformer assisted lean NO x catalyst aftertreatment system...

Reforming diesel fuel for NOx reduction

Regenerating sulphur poisoned diesel catalysts