Hydrogen Train

• India's Hydrogen-Powered Train: Revolutionizing Rail Travel
  
  Pioneering Emission-Free Rail Transport in India
  https://www.onlineupsc.com/current-affair/indias-hydrogen-powered-train-revolutionizing-rail-travel
• India Unveils Its First Hydrogen-Powered Train
  
  A Major Leap in Eco-Friendly Rail Technology
  https://www.onlineupsc.com/current-affair/india-unveils-its-first-hydrogen-powered-train