Host Ron Hazelton and two mechanics dissect a 2000 Ford Taurus to trace the evolution of the automobile's major systems. This 2-hour nuts-and-bolt special breaks the car down into its major components (engine, body, chassis, etc.). Starting with the earliest vehicles in the 1800s, automotive historians and experts describe how cars have evolved and explain major advances. And, finally concept cars and computer animations provide a glimpse into the future.