U.S. Steel’s new owner gets poor marks in climate rating for steel industry Reid Frazier·April 1, 2026Nippon Steel scored so low because it’s actually been increasing its usage of coal in recent years, and recently reinvested in coal at a U.S. Steel plant in Indiana. Carbon-Free SteelClimate ChangeEconomyLatest StoriesNewsPollutionSweden's "Carbon-Free" Steel