Downsizing, Hungary, Standards and Water

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Downsizing

Hungary

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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

OCTOBER 11, 2011

The cylinder case is made from an aluminum-silicon alloy using a low-pressure chill casting process that achieves a high standard of homogeneity, according to Audi. Audi’s principle of downsizing: “ Forced induction replaces displacement ” One twin-scroll turbocharger per cylinder bank compresses the fresh air.

Audi

Audi Downsizing Fuel Engine

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

Green Car Congress

OCTOBER 8, 2013

liter class which are engineered to meet customer demand for strong, downsized engine performance. The cylinder head features a water-cooled exhaust manifold integrated within the aluminum casting. Water-cooling of the exhaust reduces temperatures for improved emissions control, while also reducing heat build-up around the turbine.

Engine

Engine MPG Exhaust Gasoline

EV Driven

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

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

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