Which of the following become the first Indian city to operate buses running on hydrogen spiked compressed natural gas (H-CNG)?

A. Mumbai

B. Guwahati

C. Delhi

D. Patna

Explanation:

The Finance Minister in her budget speech formally announced the National Hydrogen Energy Mission which aims for generation of hydrogen from green power resources. In October, Delhi became the first Indian city to operate buses running on hydrogen spiked compressed natural gas (H-CNG) in a six-month pilot project.