Q. With reference to Hydrogen, consider the following statements:
1. It occupies a larger volume as compared with the same quantity of diesel.
2. Compared to batteries, hydrogen offers an economical alternative for short-distance transportation.
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

Answer: A
Notes:
  • Statement 1 is correct: Hydrogen takes up a lot of space. 1 kg of Hydrogen, occupies a volume of about 11,000 litres, versus just over a litre per kg of diesel. 
  • Statement 2 is incorrect: For smaller distances, battery-charged vehicles are the most viable option economically. while Hydrogen can be used in heavy duty, long-distance transportation because batteries have low energy-to-weight ratios, and they take a long time to charge compared to fuel cells. 

Source: Article