EnergyCommerce secretary points to Tokyo's $550bn investment pledge as sourceJapanese minister Ryosei Akazawa, left, and U.S. Commerce Secretary Howard Lutnick have held talks on Japan investing in American nuclear power. (Nikkei montage/Source photos by Reuters)TAKESHI KAWANAMIJune 12, 2026 05:00 JSTWASHINGTON -- The U.S. will use part of Japan's $550 billion investment pledge to build and expand nuclear power plants, aiming to take "a leading position to export around the world," U.S. Commerce Secretary Howard Lutnick told Nikkei.