Science and technology ยท GS3
India's first hydrogen-powered train
One line
Indian Railways prepared to operate its first indigenous hydrogen fuel-cell train on the Jind-Sonipat section.
Summary
Fuel cells generate onboard electricity. Full climate value depends on how hydrogen is produced, compressed, transported, and stored.
PYQ pattern
UPSC often tests the static concept behind this development and its implementation limits. Use the official UPSC question-paper archive.
Core notes
- A fuel cell converts chemical energy electrochemically into electricity.
- The pilot requires hydrogen storage and refuelling infrastructure.
- RDSO prepared technical specifications and design approval.
Prelims lens
- Fuel-cell trains produce water at the point of use.
- Direct electrification can be more efficient where overhead wires are practical.
- Read the announcement separately from measured outcomes.
MCQ 1
Consider the following statements:
- Fuel-cell trains produce water at the point of use.
- A hydrogen train is zero-carbon regardless of hydrogen production.
Which of the statements given above is/are correct?
- A. 1 only
- B. 2 only
- C. Both 1 and 2
- D. Neither 1 nor 2
Reveal answerHide answer
A
Statement 1 is correct. Statement 2 makes a claim that the source or static concept does not support.
MCQ 2
What does a hydrogen fuel cell do onboard?
- A. Generates electricity
- B. Mines hydrogen ore
- C. Allocates rail paths
- D. Stores carbon forever
Reveal answerHide answer
A
Generates electricity is the correct relationship in this context.
Mains
Question, 10 marks, 150 words: Where can hydrogen trains fit within a broader rail-decarbonisation strategy?
Approach:
- Define the institution, mechanism, or indicator.
- Explain its current significance.
- Examine implementation limits and trade-offs.
- Suggest specific institutional or policy measures.