RE:RE: 1.4 trillion dollar investment required ...boom. miningFrom Mr V's article- “A hydrogen ecosystem will also need to be developed for green steel, as decarbonisation will require around 50 million tonnes per annum of competitively priced green hydrogen, with commercial viability versus conventional steelmaking routes requiring green hydrogen supply at $2/kg,” Wu added." THE world will not pay exorbitant prices. Cheap price producers will be supported. No one that's hungry cares about paying higher prices to live work and play IMHO.