Indonesia’s PT Medco Energi Internasional is planning to build a liquefied petroleum gas (LPG) plant in Kaji Semoga, South Sumatra next year. The plant, expected to cost between US$150,000 and $190,000, will produce 200 tonnes of propane and butane gas a day, said Sugiharto, the company’s finance director. It will process gas from the company’s…