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TRB Publications IndexResearch in ProgressTRID
Vehicles and equipment (Q) Vehicle components (Qp) Related Term (Associative): Emission control systems (Qpw) Related Term (Associative): Pollutants (Jfgs); Pollution control (Jfgy) Exhaust gas recirculation (Qpwe) Related Term (Associative): Exhaust gases (Jfgsge); Fuel consumption (Jnruef); Nitrogen oxides (Rbcgnru) Positive crankcase ventilation systems (Qpwp) Selective catalytic reduction (Qpws) Related Term (Associative): Exhaust gases (Jfgsge); Fuel consumption (Jnruef); Nitrogen oxides (Rbcgnru) Exhaust system components (Qpwx) Emission control devices (Qpwy)