Torque control for direct injected engines using a supplemental

Torque control scheme for low emission lean burn vehicle

Trap apparatus with bypass

Trap apparatus with bypass

Trap apparatus with tubular filter element

Trap regenerative device control apparatus

Treatment device for exhaust of a vehicle

Treatment of engine exhaust using molecular sieve SSZ-73

Triad exhaust system

Triple oxygen sensor arrangement

Tubular exhaust manifold

Tuned exhaust manifold

Tuned exhaust processor assembly

Tuned exhaust processor assembly

Tuned exhaust processor assembly

Tungsten-modified platinum NOx traps for automotive emission red

Turbo-exhaust cleaner

Turbocharged engine control

Turbocharged engine control system

Turbocharged exhaust gas recirculation system