Liquefied natural gas used as a marine fuel to power ship engines, offering significant reductions in sulphur oxides, nitrogen oxides, and particulate matter emissions compared to conventional heavy fuel oil. LNG-fuelled vessels require specialised cryogenic storage tanks and fuel supply systems.
Category: Marine Engineering
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CIICarbon Intensity Indicator, an operational measure introduced by the IMO that rates a ship's annual carbon emissions relative to the cargo carried and distance sailed.EEXIEnergy Efficiency Existing Ship Index, a measure introduced by the IMO to reduce the carbon intensity of existing ships by requiring them to meet a minimum energy efficiency standard.Four-Stroke EngineA type of internal combustion engine that completes a power cycle in four strokes of the piston (two revolutions of the crankshaft).Main EngineThe primary propulsion machinery of a vessel, responsible for driving the propeller.ShaftThe rotating mechanical component that transmits power from the main engine to the propeller.Shaft GeneratorAn electrical generator driven by the main engine through the propeller shaft, used to produce electrical power while the vessel is at sea.
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