Intelligent Aerodynamic Automobile

Mercedes unveiled an interesting new concept at the Frankfurt Motor Show: a sedan which can change its features automatically from design mode to aerodynamic mode once it reaches a speed of 80 km/h (50 mph). The concept is called the IAA, which stands for Intelligent Aerodynamic Automobile, not to be confused with Internationale Automobil-Ausstellung (IAA), also known as the Frankfurt Motor Show, at which the concept is being unveiled.
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