Petrobras wrapping up due diligence to buy back refinery from Mubadala, sources say
By Luciana Magalhaes and Marta Nogueira RIO DE JANEIRO (Reuters) - Brazil's state-run oil company Petrobras is wrapping up due diligence for a bid on the Mataripe refinery it sold to Abu Dhabi sovereign fund Mubadala for $1.65 billion in 2021, three …