text: In todays modern world of advanced technology, we already have cars that can nearly drive themsleves. As the artical points out, there are cars that can drive themselves except when complecations arise such as traffic jams and roadblocks. Google's Toyota Prius has multiple sensors that moniter the area around the car and allows the car to funtcion as if there was a driver behind the wheel. Sensors can also allow the car to brake faster than a human could in emergencies and reduce the power of the engine.