New Delhi, July 23 -- When India's first hydrogen-powered train ran between Jind and Sonipat in Haryana earlier this month, it joined Japan, Germany, the US and China in deploying the technology. The milestone comes three years after the launch of the nearly Rs.20,000 crore National Green Hydrogen Mission, with a domestic hydrogen ecosystem now beginning to take shape.

Mint examines the progress so far, and what it will take to make green hydrogen commercially viable.

India's rising energy import bill underscores the case for green hydrogen.

In the April-June quarter, the country's crude oil import bill jumped 61% year-on-year to $49.8 billion despite lower import volumes, as geopolitical tensions pushed up prices. With more than 85% o...