a million and in europe to more than five hundred thousand people died last year as a result of poor air quality in the u.s. three hundred thousand. many cities are now tackling the problem head on by banning vehicles with particularly dirty engines. electro mobility is the way forward but making the switch is a hard and expensive process. steve kearns and is proud to be a london taxi driver who's been behind the wheel of one of the city's iconic black cabs for twenty seven years now and he loves his job. when you look at. pictures of lund whether it be unfair or what you say. city telephone box and black taxis they identify a lot you know when you see one of these vehicles you automatically know that you