Mitsui Energy Development Co., Ltd. (MOECO), has joined a Carbon Capture and Storage (CCS) project at the Arthit gas field in the Gulf of Thailand, operated by Thailand's PTT Exploration and Production Public Company Limited. MOECO participates in the project via its subsidiary MOECO Thailand Co., Ltd., which holds a 4.7619% share in the CCS project. This project, the first CCS initiative in Thailand, aims to begin operations in 2028.