Concept behind fuel cell vehicles (FCVs) is 

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UGC NET Paper 1: Held on 11th July 2022 Shift 1
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  1. Using solar energy to run cars
  2. Using rechargeable batteries to run cars
  3. Using hydrogen and oxygen to run cars
  4. Using improvised CNG to run cars

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Option 3 : Using hydrogen and oxygen to run cars
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UGC NET Paper 1: Held on 21st August 2024 Shift 1
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The correct answer is Using hydrogen and oxygen to run cars

Key Points

  •  Fuel cell vehicles (FCVs):
    •  A fuel cell vehicle or fuel cell electric vehicle is an electric vehicle that uses a fuel cell, sometimes in combination with a small battery or supercapacitor, to power its onboard electric motor.
    • Fuel cells in vehicles generate electricity generally using oxygen from the air and compressed hydrogen.
    • They are more efficient than conventional internal combustion engine vehicles and produce no tailpipe emissions—they only emit water vapour and warm air. 
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