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Autoweek in review: What you might have missed

Here's a look at some big stories that you might have missed this week: -- The Detroit auto show opened to the media this week, with big reveals of the Dodge Dart, the Ford Fusion, the Cadillac ATS and two Chevrolet concepts. See all our coverage here. http://www.autoweek.com/section/detroit -- Autoweek editors announced their show favorites, crowning the Ford Fusion, Acura NSX concept, Dodge Dart and Porsche 911 Cabriolet with the Editors' Choice Awards.

Mercedes-Benz CLA180 cheats the wind

Mercedes-Benz claims its new CLA180 BlueEfficiency Edition will be the world's most aerodynamically efficient production road car when the European deliveries begin in June. The swoopy four-door sedan forms part of an initial five-car lineup of CLA models set for a public debut at the Geneva motor show in March. With an official drag co-efficient of 0.22, the CLA180 Blue Efficiency Edition undercuts the existing aerodynamic champion, the Mercedes B180 BlueEfficiency with the optional eco technology package, which claims a 0.24 Cd.

Michelin Challenge Design-CCS 2014 winning projects explored

Michelin has revealed the winners of the 2014 Michelin Challenge Design Competition for the College for Creative Studies (CCS). This year's challenge saw 16 student entries based around the global Michelin Challenge Design theme of ‘Driven/Undriven: The Duality of Tomorrow's Automobile'. Michelin asked the students to explore innovative concepts of vehicle autonomy in teams of four.