The total fuel bill of railways during the current financial year has been estimated to be a whopping Rs 35,000 crore, of which diesel will be over Rs 24,000 crore as against the electricity bill of around Rs 11,000 crore.
Indian Railways have firmed up plans to harness solar and wind power as part of its move to tap renewable energy in a big way to reduce fuel bill substantially. Read full story in recent article published by Economic Times.