ExxonMobil is planning a world-scale “blue” hydrogen plant at its Baytown, Texas, integrated refining and petrochemical complex. The low-carbon produced will allow the decarbonisation of operations at the site, mitigating approximately 10 Mtpa of CO2. The project would form ExxonMobil’s initial contribution to a broad, cross-industry effort to establish a Houston carbon capture and storage hub with an initial target of about 50 million metric tons of CO2 per year by 2030, and 100 million metric tons by 2040. A final investment decision is expected in 2024-2025.