this is caitlin wallack. a steel analyst at the u. s. based non profit global energy one into the 1st layer is to make sure your electric arc furnace unit is running completely on. like green energy, but then you need to make sure that the reducing agent in the direct reduce iron plants is hydrogen. but that's not enough. you have to make sure that that hydrogen is actually being produced through an electrolyzer that's operating on 100 percent green. ah, renewable energy, sir. time for hydrogen right? well, unfortunately there is a catch. you need a lot of hydrogen, like ready loads, make mold steel into you out of hydrogen would require about 6000000 tons of the gas. just to satisfy the steel industries hydrogen needs. you need almost as many wind turbines that you have today is not impossible, but it is a logistical nightmare. and one of the big challenges is where we build these hydrogen production facilities needs to happen in places that have that renewable energy capacity. the problem so far is lots of steel making regions don't ha