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Arrangements for using LPG as fuel onboard VLGC Typical system arrangement for using LPG as fuel onboard, essentially would have provision for storing, processing, supplying and consuming the fuel. In addition, essential safety and control systems are to be available. Following is a brief description of a basic arrangement with essential components. Engine MAN LGIP Engines (Courtesy - MAN website) MAN B&W has developed the ME-LGIP series two-stroke diesel cycle engines which is being proposed for VLGCs. These are based on the ME-GI engines used extensively in service with LNG carriers and LNG as fuel ships. LPG is supplied to the engine, in liquid form, at 50 bar and a temperature range of 30-50 ℃ by the Fuel Processing and Supply system. The cylinder head mounted LPG injector further pressurizes the fuel to 600 bar, the injection pressure. Pilot fuel is also injected to the cylinder via the pilot fuel injector located on the cylinder head (MAN Energ

Current Emission Regulations and Prospects of Liquefied Petroleum Gas (LPG) as Marine Fuel  Marine Fuel Oil Sulphur Content Requirements       Marine Industry is undergoing a transformation set forward by the coming into force of emissions regulations by the International Maritime Organization (IMO). From 1 January 2020, the content of Sulphur in Fuel Oil, for shipboard use, is limited to 0.5%. Ships which have been burning low cost Heavy Fuel Oil with Sulphur content of 3.5% are now required to use fuel with 0.5% Sulphur content resulting in huge financial implications. Several alternatives are being explored for complying with the regulations including the application of Liquefied Natural Gas (LNG), Methanol, use of SOx scrubbers for exhaust gas treatment, Biodiesel, Hydrogen, Ammonia, Synthetic gas, Nuclear power etc. Liquefied Petroleum Gas (LPG) is another fuel for consideration. With negligible Sulphur content, the SOx emissions are eliminated from the exhaus