The factory in Wolfsburg, Germany, of Volkswagen Group, is the world's largest car manufacturer with a total area of 6.5 million m2.
The giant tatu weighs half a ton and is as big as a car Volkswagen Beetle used to live on Earth in the last Ice Age.
The Sedric is completely different, with no steering wheel, pedal, gearbox and conventional controls.
European researchers and automakers are working on developing a self-steering and automatic charging and parking system.
Volkswagen has announced the world's most fuel efficient, with the ability to run from Sydney to Melbourne, which costs about 260,000 dong (about 10 liters) of fuel.
Volkswagen and a German energy company plan to produce a household gas generator using natural gas.