Nippon Steel has started test production at a new hot rolling line at its Nagoya Works in Japan. The facility serves Toyota and Japan's automotive heartland, producing advanced high-strength steels and electrical steels for electric vehicles. The new line uses the latest rolling technology and artificial intelligence-based quality inspection to meet the most demanding automotive specifications. The investment supports Nippon Steel's goal of cutting carbon dioxide emissions by thirty percent by 2030 while strengthening its position as a global leader in high-value flat steel