More than 90% of global freight is transported by over 33,000 merchant marine vessels powered by two stroke crosshead engines as their main source of propulsion; the two-stroke diesel engine has been the backbone of global trade and globalization for well over half a century. Among one of the key factors supporting the reliability and uptime of these engines, keeping trade moving, is the effective performance of cylinder oil. Often referred to as the lifeblood of the engine, these oils provide critical protection to avoid abrasive…