New Delhi, June 6 -- Union minister for petroleum and natural gas, Hardeep Singh Puri, on Friday said state-run oil refiners have floated tenders for 42 kilotonne per annum of green hydrogen capacity, and tenders for another 128 kilotonne will be issued.

Taking to social media platform X post a stakeholder consultation, the minister said these initiatives will be implemented at an estimated cost of Rs.2 trillion.

He also said nine research and development (R&D) or demo plants are under construction and four have been commissioned by Indian Oil Corp. Ltd (IOCL), Gail India Ltd, Hindustan Petroleum Corp. Ltd (HPCL), and Bharat Petroleum Corp. Ltd (BPCL).

"42 KTPA tenders have been floated by the refineries while 128 more will be issued b...