BP Seeks Buyers for Castrol Lubricants Unit to Reach $20B Divestment Goal, Sources Say / Latest / By mark BP has kicked off the sale of its more than a century-old Castrol lubricants business in a key step in the British energy group’s divestment plan to boost its share price. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Related