UPSC Previous Year Question | Prelims GS | 2023

With reference to green hydrogen, consider the following statements: 1. It can be used directly as a fuel for internal combustion. 2. It can be blended with natural gas and used as fuel for heat or power generation. 3. It can be used in the hydrogen fuel cell to run vehicles. How many of the above statements are correct?

  1. Only one
  2. Only two
  3. All three
  4. None

Answer

Correct Answer

All three

Explanation

Green hydrogen can be used directly in internal combustion engines, blended with natural gas for heat/power generation, and used in hydrogen fuel cells to power vehicles—all three uses are correct.

Topics: green hydrogen, hydrogen energy, hydrogen fuel cells, science and technology