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  1. Hybrid and Electric Vehicle Competitors
    Audi has a Wankel for a range extender. 148.7 mpg (imperial) Audi A1 -click Below: the Wankel is so small it fits under the trunk floor: Audi A1 - report -click Audi has confirmed the A1 e-tron will be made using the Wankel range extender. A1 to be made -click GM did heavy Wankel...
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