Audi is once again opening up new horizons: the Audi urban concept is a 1+1-seat, ultra-light car for congested urban spaces. The technical study, which will be shown at the Frankfurt Auto Show (IAA) 2011, does not fit under any of the conventional categories - the Audi urban concept combines elements of a racing car, a fun car and an urban car into one radical new concept. The Audi urban concept is not based on any...