Question

why train need electricity? Why?​

Answer 1

Electric lines mean that trains with heavy diesel engines are not needed. Plus, trains don't need to carry their own fuel and fuel is supplied through the overhead cables. Thus, this means the electric trains are lighter than diesel trains.

Answer 2

Answer:

electric railways offer substantially better energy efficiency, lower emissions, and lower operating costs. Electric locomotives are also usually quieter, more powerful, and more responsive and reliable