Castrol outlined its strategy to enter the liquid cooling market for data centers, focusing on the infrastructure layer where dielectric fluids and thermal management systems connect directly with server hardware, according to Data Centre Magazine. The company is positioning its industrial lubricants expertise as a foundation for competing in the fast-growing immersion and direct liquid cooling segment. Castrol's move follows similar entries by Vertiv and Flextronics into water-reduction cooling technologies announced earlier this week. Demand for liquid cooling solutions has accelerated as high-density AI workloads push air cooling to its thermal limits.