Nottingham had trams put back in during the last 15 years. You can argue that they reduce pollution in the city centre. But you can't say that electric trams cause no pollution. At the moment the electricity is mostly generated by the burning of fossil fuels. This means that pollution is released in other places. Disadvantages of trams are that they are fixed to going where the rails are. There is no flexibility. Cyclists have to be careful on the rails. Cars share the same routes. And you can see the overhead infra-structure that has to be put in. They ripped the trams out after the war. Will they be a success this time?
