BP's divestment of assets in the United States is facing obstacles, and it has only received a buyout offer from One Rock for its Castrol business.

According to the 36Kr Finance App, informed sources revealed that One Rock Capital Partners, a mid-sized private equity company in the United States, has become one of the few bidders for the Castrol lubricant business under BP. This highlights the challenges the energy giant faces in disposing of its core assets.