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WinGD and HSD Engine collaborate to deliver methanol-fueled two-stroke engines

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Swiss marine power company WinGD and Korean engine builder HSD Engine have initiated a Joint Development Project (JDP) to advance the development of WinGD’s methanol-fueled big-bore engines. Under the JDP, WinGD will oversee combustion and injection research, exhaust aftertreatment requirements and engine concept design.

Engine 370
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Wärtsilä launches 31SG pure gas engine for marine applications; suited for hybrid systems

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Wärtsilä has launched the 31SG pure gas engine for marine market applications. The 31SG is based on the successful Wärtsilä 31 product platform; the diesel version of the engine has been recognized by Guinness World Records as being the world’s most efficient 4-stroke diesel engine. MW, at 720 and 750 rpm.

Mariner 207
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ICCT life-cycle analysis finds no climate benefit in using LNG as marine fuel

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The results of a new analysis by the International Council on Clean Transportation (ICCT) show that, when combined with a trend toward higher methane leakage and combustion slip, there is no climate benefit from using liquefied natural gas (LNG) as a marine fuel—regardless of the engine technology. Olmer et al. Credit: The ICCT.

Mariner 427
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Wärtsilä hits methanol milestone with first newbuild engine order

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The technology group Wärtsilä has received its first order for newbuild methanol-fueled engines. A new Offshore Wind Installation Vessel (WIV) being built for Dutch contracting company Van Oord at Yantai CIMC Raffles shipyard in China will be powered by five Wärtsilä 32 engines capable of operating with methanol.

Engine 366
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Study finds marine workboat engines staying in service two times longer than estimated by EPA; emissions reduction implications

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Commercial workboat engines are staying in service more than two times longer than predicted by the US Environmental Protection Agency (EPA), according to new research from the Diesel Technology Forum (DTF) and Environmental Defense Fund (EDF). This report underscores that more, older engines remain in service today.

Mariner 223
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Report: Mitsubishi Heavy to introduce marine gas-fueled engine by 2015

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(MHI) will unveil by 2015 its own natural-gas-powered marine engine. MHI reportedly improved existing technology to develop a combustion engine that efficiently burns high-pressure gas through direct injection. The engine will be used for liquefied natural gas (LNG) carriers, large tankers and container ships.

Mariner 231
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Tenneco introduces new large engine SCR system for marine applications; NOx reduction >90%; production targeted 2015

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Tenneco has introduced a complete urea dosing control, fluid handling and catalyst solution for selective catalytic reduction (SCR) aftertreatment, enabling large engines to meet EPA Tier IV and IMO Tier III regulations. Tenneco’s new marine SCR system has demonstrated effective NO x reduction in bench and field testing.

Mariner 199