Question

UPSC Prelims 2024 Question:

Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen?

1. Hydrogen peroxide
2. Hydronium
3. Oxygen
4. Water vapour

Answer (Detailed Solution Below)

Option 4: Water vapour

Detailed Solution

Explanation:

Fuel cell electric vehicles (FCEVs) are powered by hydrogen. They are more efficient than conventional internal combustion engine vehicles and produce no harmful tailpipe emissions. They only emit water vapour and warm air. FCEVs emit only water vapour, making them locally emission-free and contributing to cleaner air in cities.

Therefore, option (4) is the correct answer.

Subject: Science & Technology | Miscellaneous(s&t)

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