“To become competitive with the other, more mainstream and more polluting forms of hydrogen — blue hydrogen and gray hydrogen — green hydrogen would need to bring down production costs to less than one dollar per kilogram. As it stands, green hydrogen costs several times that generally falling between $2.50 and $4.50 a kilogram to produce.”

–Haley Zaremba, writing for Oilprice.com, looking at the current buzz around green hydrogen adding that, “Aramco’s willingness to align itself with hydrogen in any sense is big and exciting news for the budding industry.” [Oilprice.com]