Nearly a century after they were first attempted, battery locomotives are back in action. A battery-operated locomotive that can pull heavy trains has finally been successfully developed by the Central Railway.

Named WCAS Meghdoot, the locomotive, built at a cost of Rs 12 lakh, has been able to pull 60 empty wagons that is 1,400 metric tonnes at 20kmph in one stroke and can work up to two to three hours without diesel or wired sections, depending on the load.