LONDON— BP PLC is in talks to relinquish control of a major oil and natural-gas project in Libya, a blow to the country as it tries to attract companies to tap Africa’s largest oil reserves. BP is negotiating a deal with Libya’s state-controlled National Oil Co. to transfer a stake in BP’s two Ghadames blocks to NOC subsidiary Arabian Gulf Oil Co., or Agoco, and make it the operator of the venture, according to executives at both NOC and BP. BP is seeking to […]