OIL AND GAS: Chevron finalizes sale of renewables division Published: Thursday, September 4, 2014 In another retreat from renewables, Chevron Corp. has sold subsidiary Chevron Energy Solutions to OpTerra Energy Services. Please subscribe to EnergyWire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.