South Korean steelmaker POSCO aims to spend Won 12 trillion ($9.95 billion) to boost its overseas crude steel production capacity to 23.1 million mt/year by 2030, a nearly fivefold spike from 5.1 million mt/year in 2021, the company said March 2. It named India, Indonesia and the US as growth areas, having determined “that the competitiveness of green hydrogen production…