company called clever shuttle operates a taxi sharing service with a fleet of electric vehicles. a smart phone app allows you to order a car you are then picked up and taken to your destination other passengers may be picked up along the way it's a lot like a classic taxi service but more efficient a much cheaper. the data in that is this month the idea is to bundle short trips in the city of two customers book similar routes by that makes sense to transport them together but that reduces traffic on the roads that each passenger saves a lot of money. in future be shared taxis could become part of the local public transport network they might travel on rails but with no fixed stops you'd simply order them by phone and they would cordon a route automatically. that could see the number of private cars in the city drop