CONCEPT-S2 The Concept-S2 is a 4-seater convertible inheriting and evolving the image and concept of the Concept-S premiered at the last year's Paris Motor Show. This concept car is in pursuit of a pleasure of driving, adopting a newly developed "3-piece electrically rotating/retracting metal roof." It retains compactness and still offers a comfortable ride, as this vehicle's structure leaves enough room for the rear passengers. Features 1.6L…