Engineering group expects 100,000 tonnes of CO2 emissions cut over the five-year agreement.
ENGIE and Mining3 are studying hydrogen synergies.
Antofagasta's mining division to be powered by renewable energy by 2022
A 3.5-megawatt unit is headed for a hydrogen haul truck at Anglo American's Mogalakwena next year
Plug Power selected to refuel world's largest hydrogen-powered haul truck
Mining major and energy company to develop hydrogen-powered mine haul truck