LNG ~ 1/600 volume of Natural Gas, making it practical to transport by ship</li></li></ul><li>Hull Forms<br /><ul><li>Double Hull
Majority of new ships under construction are 120,000 m³ to 140,000 m³.
Orders for ships with capacity up to 260,000 m³.
Approximately 300 ships are engaged in deep sea movement of LNG.</li></li></ul><li>Propulsion Systems<br />3 Main Types<br />Slow Speed DieselTwin Screw – Fuelled by Heavy Fuel Oil<br />Medium Speed Dual-Fuel DieselSingle/Twin Screw with diesel/electric drive fuelled by Marine Diesel Oil with boil off or Heavy Fuel Oil<br />Gas TurbinesMainly Twin Screw fuelled by Marine Gas Oil or Gas Fuel<br />
Propeller and Rudder<br /><ul><li>Increased Propulsive Efficiency 4-6%