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The next presidential limousine might look like this

A few days ago, the United States Secret Service posted the bid requirements for a new presidential limousine, which is set to debut during the 2017 inauguration of our nation's 45th chief executive. It's hard to believe that the General Motors-built Cadillac dubbed "The Beast" is already due for replacement, but the fleet of presidential limousines is cycled every four or eight years, with bids accepted from any American automaker. We'll spoil the show for you: the odds of a company other than General Motors winning the bid is pretty slim.

Fiat Centro Stile shares Panda Design sketches

After debuting at the Frankfurt motor show, and impressing us in the process, Fiat has released a series of fun illustrations documenting the new Panda's design process. Produced by the Centro Stile Fiat, the illustrations aim to highlight and describe the new stylistic features and functions of the city car. The new Panda is said to be inspired by 'the most modern trends' and is also based on the idea that every user has their own needs.

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.