Thursday, June 1, 2023 BusinessInsider ExxonMobil signs carbon capture and storage agreement with Convent plant By Eric L. Taylor - June 1, 2023 FacebookXLinkedinEmailPrint (iStock) ExxonMobil has signed an agreement to capture, transport and store up to 800,000 metric tons of carbon dioxide, or CO2, per year at an in-state carbon capture and storage facility. Already an INSIDER? Sign in.