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Top Terms > Vehicles and equipment > Vehicle components > Emission control systems > Emission control devices

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Emission control devices (Qpwy)

Definition
Devices that control or reduce the ethylene oxide in automobile exhaust. (Source: Team)
Broader Term
Emission control systems (Qpw)
Narrower Terms
Afterburners (Qpwyb)
Catalytic converters (Qpwyc)
Related Terms (Hierarchical)
Exhaust gas recirculation (Qpwe)
Positive crankcase ventilation systems (Qpwp)
Selective catalytic reduction (Qpws)
Exhaust system components (Qpwx)