Driverless vehicles may seem unfamiliar now, but over the coming years you’ll start to encounter – or even use them – on a daily basis. Will it mean the end of the driving licence and changes to the rules of the road? It’s not uncommon to see a squat white droid trundling along the streets of Greenwich, south-east London, as it delivers takeaway food to the borough’s residents at 4mph. In Paris and Helsinki, robot