KUALA LUMPUR: Petroliam Nasional Bhd (Petronas), through its subsidiary Petronas CCS Solutions Sdn Bhd (PCCSS), has signed a Joint Study Agreement (JSA) with JERA Co., Inc (JERA) to evaluate the feasibility of the entire carbon capture and storage (CCS) value chain including separation and capture of carbon dioxide (CO₂) emitted by JERA in Japan, cross-border transportation, and CO₂ storage in Malaysia.