Boeing Co said its flying car prototype hovered briefly in the air during an inaugural test flight on Wednesday, a small but significant step as the world’s largest planemaker bids to revolutionize urban transportation and parcel delivery services. Boeing is competing with arch-rival Airbus SE and numerous other firms to introduce small self-flying vehicles capable of vertical takeoff and landing. The investments, fueled by leaps in autonomous technology as much as frustration with road congestion, could change the face of the aerospace industry within the next decade. Boeing’s 30-foot-long (9 meters) aircraft – part helicopter, part drone and part fixed-wing plane – lifted a few feet off the ground and made a soft landing after less than a minute of being airborne […]