Train car is not powered by traction locomotive (commonly known as the locomotive traction drive, only have traction locomotive driving, erection have elevated above the electrified railway power supply cable, electric locomotive rises through the roof of the pantograph get electricity from the power supply cable drive motor drive. Common rail is coal-fired steam locomotives and diesel fuel of diesel locomotive traction, steam locomotive (now at home have all eliminated) always dragging a big coal scuttle, behind the diesel engine of locomotive internal 9-10 tons of tank.
