Nippon Steel Corp. said Friday it is committed to its $14.1 billion plan to acquire United States Steel Corp. after U.S. President Joe Biden voiced opposition to the buyout plan. “Our transaction delivers clear benefits to U.S. Steel, union workers, the broader American steel industry, and American national security,” Nippon Steel said in a statement. “We are determined to see this through and complete the transaction.” Japan’s largest steelmaker also announced there will be no layoffs and plant closures until September 2026 under certain conditions and pledged to make additional investments w…