Tata Consultancy Services (TCS) and Rolls-Royce have successfully tested an aircraft engine using 100% hydrogen, marking an important step toward developing cleaner aviation technologies.

The demonstration simulated a complete flight cycle, including takeoff, cruise and landing, while testing hydrogen combustion, fuel delivery and engine control systems under different operating conditions.

TCS has been working with Rolls-Royce on hydrogen aviation technology since 2024, supporting combustion analysis, fuel-system integration, testing, validation and engineering design. The wider program also involves easyJet and other partners exploring hydrogen as a potential lower-carbon aviation fuel.

While commercial hydrogen-powered aircraft are still some way from entering service, the latest test provides valuable engineering data that could help advance hydrogen propulsion and reduce aviation emissions.

Hydrogen-Powered Aviation Breakthrough: TCS And Rolls-Royce Successfully Test Aircraft Engine

India has launched its first hydrogen fuel cell-powered train, marking a significant step toward clean and sustainable rail transportation. Prime Minister Narendra Modi will flag off the 10-coach hydrogen train in Haryana's Jind, where it will begin operations on the Jind–Sonipat route under Northern Railway. The pilot project aims to test hydrogen propulsion technology, dedicated refueling systems, and operational efficiency while reducing carbon emissions and dependence on diesel-powered trains. With this launch, India joins countries such as Germany, Japan, China, and the United States in operating hydrogen-powered rail services. Indian Railways also plans to explore the use of hydrogen technology on heritage routes, supporting its long-term goal of achieving net-zero emissions and greener transportation.

PM Modi flags off India's first hydrogen-powered train | Indian railways begins green rail revolution

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