Indian Railways' first solar-powered 1600 HP DEMU (Diesel Electric Multiple Unit) is ready! In line with the vision to use renewable energy, Indian Railways has unveiled a new broad gauge solar-powered train that it says is a "path-breaking" leap towards making trains "greener and more environment friendly". The solar power DEMU train has six trailer coaches and is expected to save about 21,000 litres of diesel and ensure a cost saving of Rs 12 lakh per year. FE Online brings you an extensive preview of the new solar-power train and its features: (Image by Arunava Biswas)