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|WorkBoat365.com |Summer 2025 29| WorkBoat365.com|which receive power from the onboard generators, propel the %u201cR%u00fcgen%u201d to a top speed of 23 knots.The three addi%ufffdonal 55-meter-long customs vessels are currently being built by the Peene shipyard in Wolgast, northern Germany, which is part of the NVL shipyard group. Each is equipped with three 16-cylinder mtu Series 4000 gas engines, each driving a fixedpitch propeller. To achieve a top speed of approximately 26 knots, their power has been increased by ten percent to 1,641 kW each.%u201cWe congratulate the German Customs Service on the commissioning of its new opera%ufffdonal vessel %u201cR%u00fcgen%u201d and the three other new vessels. Reliability, ease of opera-%ufffdon, dynamic engine performance, and low emission levels of the propulsion systems play a key role in the responsible tasks of the coast guard. These advantages of mtu gas engines will help us further expand our market share in our strategic Marine business area,%u201d explained Denise Kurtulus, Senior Vice President Global Marine at Rolls-Royce Power Systems.Even without exhaust a%ufffdertreatment, mtu gas engines significantly exceed the limits of current emissions regula%ufffdons (such as IMO III). Par%ufffdculate ma%ufffder is below the detec%ufffdon limit , and they emit only low levels of nitrogen oxides. Thanks to the double-walled design of the gas system, the engine room can be designed similarly to that of a diesel engine.