Business Green: South Korea’s state-run power monopoly announced yesterday that it will spend US$2.4bn by 2020 on developing clean energy technologies. Korea Electric Power Corp (KEPCO) said it aims to generate $12bn in revenue on its green investment scheme — roughly 700 times its current income from the sector — which would comprise 16.5 per cent of the company’s projected earnings in 2020. KEPCO has chosen eight sectors for investment, starting from 2010: integrated gasification combined …