Studio Stories: Volume 2 - E-Flex

Watch the evolution of the Opel Flextreme concept and hear the personal passions of the designers: Anthony Lo, Advance Design Director GM Europe; Boris Jacob, Opel Flextreme Exterior Chief Designer; and Richard Shaw, Opel Flextreme Interior Chief Designer.

Advanced Design Studio
GM Europe (GME) Design Center in Rüsselsheim, Germany, 2007
Video Courtesy of General Motors Corporation

Click here for the next Opel E-Flex episode - Studio Stories: Volume 3

In September 2007, General Motors presented the third variant of its electric vehicle architecture E-Flex, the Opel Flextreme at the International Motor Show (IAA) in Frankfurt, Germany. Its energy source is a battery that powers the electric motor. Another energy source on board – such as a hydrogen fuel-cell or combustion engine – provides more power to increase operating range. In the case of the Flextreme, this is a 1.3-liter CDTI diesel engine. Electric propulsion and a combustion engine are used in a manner fundamentally different from that of conventional hybrid propulsion vehicles. Regardless of the Flextreme’s operating mode, it is always electrically powered. The diesel engine is onboard solely to power the generator and charge the battery, always running in optimum operating range.

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