Seems like the European automakers are going all out on fuel economy these days. Opel has created an ecoFLEX version of their popular Insignia sedan, which due to some clever ecomodding has a low drag coefficient of 0.26 and scores a solid 45.2 MPG (US) in the European driving cycle. ecoFLEX modifications include: additional panelling under the [...] Related posts:
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