Porsche Cayenne Hybrid Revealed

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Porsche Cayenne Hybrid Revealed

Neuralblog, August 2007

Porsche Cayenne Hybrid Revealed

Porsche Cayenne Hybrid Revealed

Porsche Cayenne Hybrid

Porsche Hybrid

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The Porsche Cayenne Hybrid will feature a full-hybrid design where the hybrid module (clutch and electric motor) is positioned between the combustion engine and the transmi

ATLANTA, July 26, 2007 --- Porsche, a company renown for its high-performance sports cars and sport utility vehicles (SUV), this week in Stuttgart demonstrated to the media a Porsche Cayenne SUV hybrid prototype, providing a glimpse of what the company will offer to consumers by the end of the decade.

Porsche is targeting average fuel consumption figures of 9.8 liters/100 kilometers in the New European Driving Cycle and about 24 miles per gallon in the US FTP cycle for the Cayenne Hybrid, and future developments may allow Porsche engineers to push towards an average fuel consumption figure of 8.9 liters/kilometer (approximately 26 miles per gallon).

The Porsche Cayenne Hybrid will feature a full-hybrid design where the hybrid module (clutch and electric motor) is positioned between the combustion engine and the transmission rather than having the hybrid drivetrain branching output along various lines and in various directions via a planetary gearset. Porsche selected this design because the in-line configuration of the hybrid components are more compatible with the existing Porsche Cayenne platform, this system in testing is more fuel efficient, and because this configuration is a better fit for Porsche as it will provide improved acceleration and engine flexibility compared to a conventional Porsche Cayenne.

Coordinating the car's three main components - the combustion engine, the electric motor and the battery - is the Hybrid Manager, the heart of the Porsche Cayenne Hybrid. The Hybrid Manager, which oversees some 20,000 data parameters as compared to only 6,000 data parameters for a conventional engine, is one of the most powerful technologies found in any hybrid vehicle.

Other unique features of the Porsche Cayenne Hybrid designed to decrease fuel consumption include the power steering and vacuum pump for the brakes, as well as the air conditioning, which operate on electric power. Technical components, such as the oil pump in the Porsche Cayenne's automatic transmission, have been replaced by electrically powered units. The Porsche Cayenne Hybrid's electro-hydraulic steering - a first for a vehicle of its kind, will ensure the Porsche Cayenne Hybrid drives like a Porsche with predictable and safe handling characteristics and the agility that is expected of a Porsche SUV.

Porsche plans to introduce similar hybrid technology in a version of its Panamera four-door Gran Turismo. The Panamera will debut in 2009, with a hybrid to follow.



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