The addition of the furnace will facilitate greater use of scrap steel in the melting process, contributing to the company's goal of achieving a 10 percent reduction in the plant's overall emissions, by 2025.1 billion for the project, making it the largest single investment in the company’s history.The company expects that the site will have the lowest CO2 emissions of any steel producer in North America.The project involves the replacement of two blast furnaces and two basic oxygen furnaces, with a 2.The company states that the modifications will lead to a 10 percent reduction in gas consumption and a 5 percent increase in productivity.