SPRING, Texas–(BUSINESS WIRE)–Exxon Mobil Corporation (NYSE: XOM) announced an agreement with Calpine Corporation, the nation’s largest producer of electricity from natural gas, to transport and permanently store up to 2 million metric tons per annum (MTA) of CO2 from Calpine’s Baytown Energy Center, a cogeneration facility near Houston. This is part of Calpine’s Baytown Carbon Capture and Storage (CCS) Project that is designed to capture the facility’s CO2 emissions, enabling the 24/7 supply