UPSC CSE Prelims
Question 91
Consider the following types of vehicles :
- Full battery electric vehicles
- Hydrogen fuel cell vehicles
- Fuel cell-electric hybrid vehicles
How many of the above are considered as alternative powertrain vehicles?
View correct answer and explanation
Correct answer: C
Correct Option: C (All the three)
Explanation: Battery-electric, hydrogen-fuel-cell and fuel-cell hybrid designs all replace or supplement conventional internal-combustion propulsion. Hence all three are alternative powertrains.
Statement / Pair / Item-wise Analysis:
I: Yes-full battery electric vehicle drives an electric motor.
II: Yes-hydrogen fuel cells generate electricity onboard.
III: Yes-fuel-cell hybrids combine fuel-cell power with batteries/other electric storage.
Option-wise Analysis:
A. Incorrect-'Only one' understates the verified count of 3.
B. Incorrect-'Only two' understates the verified count of 3.
C. Correct-this matches the facts and the item-wise assessment above.
D. Incorrect-'None' understates the verified count of 3.