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New Audi S models to feature new downsized 4.0L V8 with cylinder deactivation, energy recuperation and start-stop

Green Car Congress

Audi will present its new S models for the first time at the 2011 Frankfurt Auto Show (IAA). This is a downsized platform from the prior 5.2L The Audi S7 uses the same engine as the S6 and S6 Avant, with fuel consumption of 9.7 The Audi S7 uses the same engine as the S6 and S6 Avant, with fuel consumption of 9.7

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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

TFSI twin turbo V8 for the upcoming Audi top-of-the-line S8 ( earlier post ), due on market in early summer 2012, develops 382 kW (520 hp), while consuming 10.2 liters per 100 km (23 mpg US), the Audi S8 is significantly more fuel efficient than its competitors, according to Audi. TFSI start-stop and cylinder deactivation.

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Porsche takes top two spots at Le Mans, Audi third

Green Car Congress

Audi still made the podium; defending race winners Marcel Fässler, André Lotterer and Benoît Tréluyer were third (393 laps) in the Nº 7 Audi Sport Team Joest Audi R18 e-tron quattro. Lotterer in the Nº 7 Audi R18 e-tron quattro produced the fastest race lap in 3:17.476 on lap 337. The first and second place finishers.

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Audi introduces new high-efficiency 2.0L TFSI based on Miller cycle; 190 hp, 47 mpg

Green Car Congress

Audi introduced its new series-production 2.0 TFSI is a new combustion method, according to Audi. Audi engineers have further developed the Miller cycle approach in crucial ways, the company said. Audi attributed the increase in efficiency in the new 2.0L Stefan Knirsch, Head of Engine Development at Audi.

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Pierburg GmbH electric compressor for turbos

Green Car Congress

Pierburg GmbH, part of the KSPG Group, has developed an electric compressor for spontaneously boosting the charge pressure of engines fitted with an exhaust-gas turbocharger. This component allows pressure to be increased regardless of the exhaust-gas energy availability. Initial prototypes are now being tested by various customers.

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Rare Rides Icons: The Lincoln Mark Series Cars, Feeling Continental (Part XLII)

The Truth About Cars

Engineers thought it might be a good idea to add all-wheel drive to the MN12, at a time when the only companies doing so for passenger cars were bit players Subaru and Audi. Said relocation required a revision to the exhaust routing. But the idea was scrapped, as it was decided the development would be too costly. .&

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Calls for an international 48V electrical standard for vehicles; looming WLTP implementation

Green Car Congress

This means that in addition the power demand is more difficult to achieve with engine downsizing and transmission down-speeding alone. The WLTP is significantly more dynamic with faster acceleration rates. —Paul Bloore, product validation manager for CPT’s hybrid product group. Click to enlarge. The conference. Earlier post.).

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