Ways to Conserve Energy on Board - DNV

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lng infrastructure Fuel Logistics. Natural-gas-powered ships such as the GL-classed „Bit Viking“ will soon become more common, helped by stricter environmental and efficiency requirements. But ports such as Hamburg have yet <strong>to</strong> create an appropriate infrastructure for LNG bunkering. Wanted: Reliable Gas Supply Legal stipulations, logistics requirements and technical challenges: a new study clarifies how LNG bunkering can be made a reality in German ports Pho<strong>to</strong>s: Hbbolten/Peresanz | Dreamstime.com Tarbit Shipping Boosting energy efficiency while lowering noxious emissions <strong>to</strong> air: with bunker oil prices on a steady rise and stricter exhaust gas emission limits in force, propulsion systems using liquefied natural gas (LNG) as fuel are more attractive than ever. Even as a transitional technology, natural gas is moving in<strong>to</strong> focus as a key enabler of the global energy turnaround. Anticipating a growing global demand for natural gas, the German government considers it a strategic necessity <strong>to</strong> diversify its natural gas sources and the associated means of transport. With this in mind, the German Ministry of Transport commissioned a safety and feasibility study <strong>to</strong> explore LNG bunkering of oceangoing ships in German sea and inland ports using special LNG bunkering vessels. The study investigates the existing liquefied natural gas infrastructure in northern Europe and Germany, proposes an LNG bunkering logistics concept, and examines a specific ship-<strong>to</strong>-ship bunkering interface design <strong>to</strong> assess the risks. Finally the study presents a draft safety concept, which accounts for legislative and competency considerations, <strong>to</strong> provide the responsible authorities with a basis for further action. Infrastructure Analysis To enable LNG bunkering in German ports, the country needs <strong>to</strong> build a supply infrastructure. One option would be <strong>to</strong> adopt the Norwegian method of distributing LNG via small-scale LNG carriers (capable of carrying 12,000 m 3 ), with short-term LNG s<strong>to</strong>rage provided by suitable in-port terminals. The small LNG carriers would serve as bunkering ships distributing the LNG within each port. A standard LNG carrier, or an appropriately designed bunkering carrier, could provide the necessary s<strong>to</strong>rage capacity for a transitional period. 18 nons<strong>to</strong>p
LNG Infrastructure in Northern Europe Overview of existing and planned LNG production and terminal sites Existing LNG production plants Planned LNG production plants Proposed LNG production plants Existing small-scale export/bunkering facilities Proposed small-scale export/bunkering facilities Existing LNG terminals Planned and decided LNG terminals Planned and not decided LNG terminals SECA AREA 01/2013 19
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Ways to Conserve Energy on Board - DNV

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