Propulsion

The latest wind power developments are still in the testing stage, and shipowners may choose to take advantage of this renewable energy source via battery hybrids instead, says Wendy Laursen.

Wärtsilä says it has signed a joint venture agreement with China State Shipbuilding Corporation (CSSC) for manufacturing medium and large bore medium speed diesel and dual-fuel engines.

Danish lubrication specialist C.C. Jensen says it has a solution to one of the major disadvantages of environmentally acceptable lubricants, and has tested its system in a supply ship operating in US…

Caterpillar recently formally launched its Cat Propulsion Twin Fin system, designed to save fuel and emissions for diesel-electric installations while improving overall vessel performance.

A Maersk AHTS vessel has been fitted with the Royston Enginei system to monitor its fuel consumption, which will enable both crew onboard and technical staff onshore to understand how the ship…

Alfa Laval and MAN Diesel & Turbo have been jointly developing a system that adds waste heat recovery to exhaust gas recirculation, effectively permitting fuel saving and TierIII NOx compliance at the…

A growing range of sealing solutions aim to improve safety and reduce the risks of oily emissions, by Wendy Laursen

Engine builders and oil companies are agreed that in order to avoid the effects of cold corrosion when slow steaming with new-generation long-stroke low speed engines, a high base number cylinder oil…

According to Patrice Flot and Alain Meslati of diesel control and instrumentation company CMR Group, various challenges in the marine industry are leading to the greater use of bio-fuels in the form…

Ingeteam of Spain says that for the past two years, under a framework agreement with Ulstein, its Ingedrive frequency converters have been integrated into Ulstein Power & Control offshore vessel projects.

Norwegian Electric Systems (NES), the Bergen-based integrator of marine and offshore electric propulsion systems, has launched two new hybrid systems to the market.

A new waste heat recovery system from French company Enertime is said to promise flexibility for lower temperature heat sources, writes Wendy Laursen

Mitsubishi is sometimes overlooked in the area of large two-stroke engine design and development, but the Japanese company is keeping up with current trends by introducing a super-long-stroke family in keeping with…

Wartsila has added a new dual fuel engine, claimed to offer lowest fuel consumption, high output and attractive lifecycle costs, to its portfolio which was recently enhanced by two smaller four-strokes aimed…

MAN Diesel & Turbo says that its large four-stroke engines are continuing to be a popular choice for newbuild cruise ships.

Rolls-Royce Power Systems – the brand which includes MTU among others – is launching a new marine genset, based on the six-cylinder series 1600 inline diesel engine.

Schottel of Germany says that its propulsion systems are proving a popular choice for the new generation of post-Panamax era tugs, as well as a local ferry.

MAN Diesel & Turbo has announced a device known as EcoCam, intended for retrofitting to its mechanical two-stroke engines with single turbochargers.

Although alternatives are looking increasingly attractive, Lloyd’s Register believes that the trusted traditional two-stroke diesel engine will continue to be the first choice in large ship propulsion for many years to come.

Dr Anatoly Mezheritsky, president of Canadian engineering company MA TurboEngine, looks at alterations to turbocharger configuration for large marine engines employing slow steaming and other part-load operations to cut fuel costs and…