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With the Cadillac Converj Concept General Motors unveiled a further glimpse at the potential of electric propulsion, this time in the form of luxury transportation. The Cadillac Converj was developed as a well-appointed grand touring coupe with a bold design and a host of interactive technology.

Cadillac's extended-range electric vehicle (E-REV) concept has a new body style that is an evolution of the brand's traditional Art and Science design theme.

Voltec - innovative propulsion technology
The Cadillac Converj's Voltec electric propulsion system is made up of a 16-kWh, T-shaped battery, an electric drive unit, and a four-cylinder engine-generator. It uses electricity as its primary source to drive the car.

A thermally managed battery pack contains more than 220 lithium-ion cells that provide the primary power to drive the Cadillac Converj electrically up to 40 miles without using fuel or producing tailpipe emissions. The battery is integrated into the Cadillac Converj's chassis and stores electricity from the grid when the vehicle is plugged in. It takes less than three hours to recharge the battery at 240V, or about eight hours from a 120V outlet.

When the battery's energy is low, the Cadillac Converj seamlessly switches to extended-range mode. During this secondary level of operation, electricity needed to power the vehicle is created on-board by a flex-fuel-powered engine that operates much like a home generator to create electricity.

Whether in electric or extended-range mode, the Cadillac Converj is propelled all the time by an electric drive unit. It converts electrical energy from the battery or the engine-generator into mechanical energy to drive the front wheels. It also delivers 273 lb.-ft. (370 Nm) of instant torque, for a quick launch, and 120 kW of power. The top speed is 100 mph.
There is no compromise in vehicle performance in either mode of operation. To enhance the ride feel, the Cadillac Converj Concept also features GM's Magnetic Ride Control; and for even greater efficiency, energy during braking is captured and stored in the battery.


Pure Cadillac design :
There's no mistaking the Converj for anything but a Cadillac, according to Lutz. "An aggressive, forward-leaning profile hints at a new, progressive theme and proportion in Cadillac's design evolution," he says. "The new proportion showcases a uniquely shaped, modern vision of a personal luxury 2+2."
The overall shape is reinforced by a prominent, sweeping body line with large, 21-inch (front) and 22-inch (rear) wheels pushed to the edges of the body. The Cadillac Converj exterior is painted a dark silver tri-coat that GM designers dubbed "Reaction."

The Luxury meets technology inside
The Cadillac Converj's interior has advanced features and luxurious appointments blending efficiency and environmental consciousness. The 2+2 configuration is trimmed in contrasting Winter White synthetic suede - including the top of the instrument panel - and Midnight Black leather, with polished aluminum and wood grain accents. Renewable materials are used throughout such as wool-blend carpeting, a headliner made from silk, suede made from post-industrial content and more.