Dynamic Duo
Hybrid technology isn't magic, but it performs like it. The advanced two-mode hybrid system found in the 2009 Chrysler Aspen HEMI® Hybrid uses an Electrically Variable Transmission (EVT).
The first mode is for low speeds and the vehicle can operate in electric-only, engine-only, or a combination of the two. In this mode the engine is shut off and fuel consumption is reduced significantly, especially in heavy stop-and-go traffic where regenerative braking harnesses the energy normally lost when braking and uses it to charge the battery.
The second mode is for higher speeds. The system utilizes not only the full power from the 5.7L HEMI® V-8 engine, but also an electrical assist. This feature improves passing and acceleration performance without sacrificing fuel economy[1] — and still provides the capability of a full-size SUV.
A sophisticated controller determines which mode the vehicle should operate in and the most efficient combination of electric and engine power. This results in an efficient and seamless driving experience.



















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