Large RoPax vessels are those above 30,000 gt up to 75,000 gt and beyond. From a propulsion perspective there is little difference in the technology employed between RoRo and RoPax vessels, especially at larger sizes, but RoPax vessels have a much higher hotel demand. This difference can manifest itself in many ways and can influence energy and efficiency strategies. While large RoRo vessels are commonly equipped with 2-stroke main engines, a 4-stroke hybrid setup offers advantages in the form of added efficiencies and flexibility.
