Agence France-Presse: The oil spill disaster in the Gulf of Mexico could cost BP 40 billion dollars, the energy group revealed on Tuesday with shock figures ramping up the bill by almost a quarter. BP said it had taken an additional charge of 7.7 billion dollars during the third quarter, taking the company’s total estimated clean-up and legal costs to 39.9 billion dollars (28.6 billion euros). “The update provides a stark reminder that the fallout from the spill will follow BP for some considerable time to come,”…