They don't! (Unless they are cable, battery, steam or horse drawn trams).
A tram can be a monorail without wheels.
Trains don't use electricity it uses coal trams use however electricity.
The majority of trams are powered by electricity, however some older trams are powered by steam or diesel. Tram travel on tram rails. These are similar to train rails, but there are some important differences.
Trams are not bad for the environment, though if there a lot of them then sometimes they can cause damage. It would be best not to use trams.
desa
The motto of Yarra Trams is 'Love Your Trams'.
Trams are run solely on magnetic pull from one end to the other; thus making the tram a giant magnet being pulled positively via the negative end, and negatively via the positive end
pt it on the railroad tracks and wait for a train
Trams were used in Auckland between 1902 to 1956. (Electric trams).
Trams in Milan was created in 1876.
Yarra Trams was created in 1999.
Trams in Turin was created in 1871.