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Porsche - 2008 Cayenne Hybrid
Porsche - 2008 Cayenne Hybrid

Porsche - 2008 Cayenne Hybrid

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Porsche Cayenne Hybrid Porsche, a company renown for its high-performance sports cars and sport utility vehicles (SUV), showed the Porsche Cayenne Hybrid prototype to journalists... More »
Porsche Cayenne Hybrid

Porsche, a company renown for its high-performance sports cars and sport utility vehicles (SUV), showed the Porsche Cayenne Hybrid prototype to journalists from around the world, providing a glimpse of what the company will offer to consumers by the end of the decade. The Porsche Cayenne Hybrid and its technology were spotlighted at Porsche's display at the 2007 L.A. Auto Show.

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 Porsche 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 engineers are looking for a marked decrease of fuel consumption, especially during city use, of about 30%.

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 parallel design because the in-line configuration of the hybrid components is more compatible with the existing Cayenne platform. This system in testing is more fuel efficient, and will provide improved acceleration and engine flexibility compared to a conventional Cayenne.

As both efficiency and performance can be improved on the

Cayenne

with this system, it is the best fit for Porsche.

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 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.
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