The German parliament has passed a law which allows Level 4 autonomous cars to use public roads for the first time. This is a big step forward for autonomous vehicles, with Germany the first country in the world to allow cars with this high-level autonomy onto the roads. Japan currently allows Level 3 cars while the UK allows Level 2, which includes features such as lane-keep assist and automatic parking. Until now self-driving permits across the world have only been allowed for testing purposes. Autonomous cars are classified according to six levels. Level 0 includes traditional vehicles with no autonomous controls whatsoever. Level 1 encompasses basic help such as automatic emergency braking and lane control; Level 2 adds automatic steering, acceleration and