28) Hydrogen Fuel cell

Question 1

Context ?

Answer 1

NTPC has invited Expression of Interest to provide 10 HFC based buses in Delhi

Question 2

What is a Hydrogen fuel cell ?

Answer 2

Hydrogen acts as a fuel to convert chemical energy into electricity (oxygen acts as an oxidising agent)

Question 3

How is it better ?

Answer 3

They release only Electricity + Water vapour , So no pollution (as there’s no GHG’s)