LONDON & NEW YORK–(BUSINESS WIRE)–Stonepeak, a leading alternative investment firm specialising in infrastructure, today announced it has completed the acquisition of a 65% stake in Castrol, a global leader in lubricants, from BP p.l.c. (“bp”) (NYSE: BP) (LON: BP). bp will retain a 35% minority interest in Castrol. With Stonepeak’s backing and continued support from bp, Castrol will build on its position as one of the world’s largest providers of mission-critical lubricants and thermal manage