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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 piston pins have a fine, diamond-like carbon (DLC) coating.

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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. This supplies high or low pressure as required by running conditions and includes on-off control of the under-skirt piston cooling jets. All vehicle applications of the 1.0 liters displacement.

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