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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. Technologies such as plate honing are used during assembly of the V8 at the Audi plant in Györ, Hungary. The demand-controlled oil pump varies oil pressure in two stages.

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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. Other specific features that contribute to the engine’s refinement include: A small balance-shaft mounted longitudinally in the oil sump. All vehicle applications of the 1.0 liters in displacement. liters displacement.

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