By signing in you confirm you are 18 or older, or have your parent’s or guardian’s consent.

UPSC Prelims 2025 GS Paper 1, question 41

Topic: Science and technology

Q41

Consider the following types of vehicles :

I. Full battery electric vehicles

II. Hydrogen fuel cell vehicles

III. Fuel cell-electric hybrid vehicles

How many of the above are considered as alternative powertrain vehicles?

  1. (a) Only one
  2. (b) Only two
  3. (c) All the threeCorrect answer
  4. (d) None

Solution.

Answer: (c) All the three

  1. An alternative powertrain vehicle is any vehicle whose propulsion system does not rely exclusively on a conventional internal combustion engine running on petroleum fuels.
  2. Items I, II and III are all correct: full battery electric vehicles (BEVs), hydrogen fuel cell electric vehicles (FCEVs), and fuel cell-electric hybrid vehicles (FCHEVs) are all classified as alternative powertrain vehicles.