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Opel Flextreme at the 2007 Frankfurt Auto Show (Visit this link)
At the 2007 Frankfurt Auto Show General Motors unveiled the Opel Flextreme, a sporty concept with a plug-in diesel hybrid powertrain that appears to be Europe's answer to the Chevrolet Volt. A Saturn version of this four-person coupe-like sedan will make its debut at the 2008 Detroit Auto Show.
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