Container ships, tankers, cruisers – the majority of seagoing vessels with an engine power of at least 20,000 kW are equipped with a three-stage air-cooled starting-air compressor these days. The powerful technology reduces heat and allows for enormous cost savings. Sauer Compressors discovered the potential of three-stage air-cooled compressors for the shipping industry early on and has been a pioneer in developing these compressors for almost 50 years. In 1975, when the Railship I first entered service on the Travemünde, Germany to Hanko, Finland route, it had been the world’s largest railway ferry. While its length of about 180 meters…