Exhaust Aftertreatment
Systems reducing exhaust emissions through chemical and physical processes.
Related records are ordered by brand and name.
Modern emissions systems
The roles of EGR, catalysts, DPF/GPF, SCR, NOx and oxygen sensors in closed-loop emissions control.
AdBlue / diesel exhaust fluid
An aqueous urea solution used by selective catalytic reduction systems.
Gasoline particulate filter
A filter reducing particulate emissions from direct-injection petrol engines.
Diesel oxidation catalyst
A catalyst oxidising carbon monoxide and hydrocarbons in diesel exhaust.
Diesel particulate filter
A filter trapping soot particles from diesel exhaust and cleaning itself through regeneration.
Selective catalytic reduction
A system reducing nitrogen oxides in exhaust using a reductant.
Three-way catalytic converter
A catalyst reducing CO, HC and NOx emissions simultaneously in petrol-engine exhaust.
Move from vehicle class to technical system
After choosing brand and model identity, use engine, transmission, DTC, electronics and service guidance in the same technical context.
Sources & freshness
Exact technical values, prices and failure rates are not invented without verified vehicle/manufacturer evidence.