French utility Engie SA (<a href="https://live.euronext.com/en/product/equities/fr0010208488-xpar/engie/engi" target="_blank">EPA:ENGI</a>) and South Korean steelmaker POSCO (KRX:005490) have agreed to carry out a pre-feasibility study for a green hydrogen project in the Pilbara region of the Australian state of Western Australia.