Cleveland-Cliffs Inc. (CLF) announced the successful completion of a hydrogen (H2) injection trial at its Indiana Harbor #7 blast furnace, marking a milestone in North American steel production. Following the successful trial at Middletown Works in May 2023, this represents the second Cleveland-Cliffs blast furnace to integrate hydrogen as a reductant and fuel source. Indiana Harbor #7 stands as one of the largest blast furnaces globally and the largest in North America, renowned for its size and production ...