Radar embedded in the front of the Fusion sweeps the road ahead and when the adaptive cruise control is activated the car automatically slows down as it approaches another vehicle within a certain distance and then speeds up when the gap widens.

FORBES: Automakers On The Road To Self-Driving Cars

The key functions of the MotionEngine are sensor fusion, calibration, 3D device motion, gestures, and cursor control, which are implemented with sensors from a variety of the leading MEMS suppliers.

ENGADGET: blogger-avatar

Ford's outfitted the Fusion Energi with a dizzying array of driver-assist tech, including a lane-keeping system, adaptive cruise control, driver alert system, active park assist, rear camera, blind-spot indicator system with cross-traffic alert and pull-drift compensation (phew).

ENGADGET: Ford Fusion Energi plug-in hybrid test drive (video)