Google Self-Driving Car unmanned vehicles, Google has launched a prototype smart car can be driven automatically by itself. Passengers simply hitting the engine. This concept car is named Google Self-Driving Car, which is the latest innovation from Google X project is the Google executive overseeing the project. Google's smart concept cars carry two people with a speed of about 40 kilometers per hour by the way Google plans to build a prototype out of more than 100 cars.