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Downsized 4.0 TFSI for Audi S8 cuts fuel consumption 23% compared to predecessor; cylinder deactivation and start-stop

Green Car Congress

Audi’s principle of downsizing: “ Forced induction replaces displacement ” One twin-scroll turbocharger per cylinder bank compresses the fresh air. The twin-scroll technology prevents the exhaust gas flows from influencing each other. TFSI reacts immediately to the gas pedal as a result.

Audi 199
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Opel presents new midsize gasoline engine at Aachen Colloquium; fuel consumption down 13%, torque and power up 33%

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The design and sizing of the turbocharging system plays a key role in enabling downsized engines to deliver excellent performance and drivability, while meeting CO 2 targets. liter SIDI ECOTEC Turbo engine alongside the other new engine families will be at the Szentgotthard plant in Hungary and will begin in late 2012. Turbocharging.

Gasoline 350
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Opel presents new 1.0 SIDI Turbo engine at Aachen Colloquium; below 100 gCO2/km and ~59 mpg in the Adam

Green Car Congress

liter class which are engineered to meet customer demand for strong, downsized engine performance. All variants of these new engine families are built at Opel’s plant in Szentgotthard, Hungary, where gasoline and diesel engines are produced on a shared assembly line. All vehicle applications of the 1.0 liters displacement.

Engine 220