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Japan rocked by another scandal involving marine engine data manipulation

Hitachi Zosen Corporation admitted that its two subsidiary ship engine markers falsified fuel consumption data of 1,364 ship engines that had been shipped since 1999.

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Hitachi Zosen Corporation

Japan has been hit with another scandal involving falsifying data of marine engines after major Japanese engineering firm Hitachi Zosen Corporation admitted that its two subsidiary ship engine markers manipulated fuel consumption data of 1,364 marine engines that had been shipped since 1999. 

Hitachi Zosen’s announcement came a month after another Japanese marine and land engine maker IHI Corporation announced that its consolidated subsidiary IHI Power Systems Co., Ltd. was found to have made “improper alterations” in the test operation records for marine engines and land-use engines.

The subsidiaries, Hitachi Zosen Marine Engine Co., Ltd. and IMEX Co., Ltd, were found to have conducted “inappropriate rewriting” of fuel consumption rates recorded in shop trial results. 

“Specifically, the usage of a programme which displays a fuel consumption value different from the actual value was confirmed. Possible impact on the calculation of NOx emission was confirmed as well,” the firm said in a statement on Friday (5 July). 

“At this point in time, there have been no confirmed cases that may raise questions about the safety of the subject engines during test operation and actual use.”

The company said it found data had been tampered for 950 marine engines made by Hitachi Zosen Marine Engine and 414 engines made by IMEX respectively since 1999. 

Through the interviews to relevant personnel, the firm said it was confirmed that the data was “altered at the time of shop trial test to keep the fuel consumption rate within the permissible range required in the customerʼs specification and to reduce data variability.”

“As the NOx emission verification tests were also conducted at the same time, there is a possibility that this may also affect the calculation of NOx emissions,” it said. 

“We believe that this matter stems from a lack of awareness regarding compliance.”

Hitachi Zosen said it was verifying whether there have been violations of laws, regulations and  standards related to the subject engines.

“We will continue to carefully investigate and report the impact on NOx emission regulations established by the Act on Prevention of Marine Pollution and Maritime Disaster and the International Maritime Organization, as well as the impact on CO2 emission regulations,” it said.

In response to the revelation, the company said a special investigation committee composed of external experts will be established for the purpose of ascertaining the facts, investigating the cause and proposing measures to prevent recurrence.

Japan’s Ministry of Land, Infrastructure, Transport and Tourism, in a separate statement on 5 July, said no related certificates would be issued to the companies until compliance with regulations on NOx emissions is confirmed.

It also said Japan’s Financial Services Agency (FSA) will begin investigating 19 marine engine manufacturers to determine whether they were engaged in inappropriate conduct in their NOx emission confirmation tests and will request a report from them by the end of September. 

Related: Japan: IHI Corporation reveals ‘improper alterations’ of data for over 4,000 marine engines

 

Photo credit: Hitachi Zosen Corporation
Published: 9 July, 2024

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Engine

WinGD lands debut ethanol-fuelled engine orders for Vale-chartered ore carriers

Engines will be the first of the X-DF-M/E platform optimised for primarily ethanol use with the fuel supply and injection pressure will be modified from WinGD’s methanol-fuelled engine concept.

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WinGD lands debut ethanol engine orders for Vale-chartered ore carriers

Swiss marine power company WinGD on Tuesday (19 May) said its first ethanol-fuelled X-DF-M/E engines have been ordered for two ore carriers to be built for Chinese owner Shandong Shipping Corporation and to operate under long-term charters for Brazil-headquartered global mining company Vale. 

The two Newcastlemax (325,000 DWT) vessels will be built by Beihai Shipbuilding in China, and will each be powered by a six-cylinder, 820mm-bore 6X82DF-M/E engine intended to run primarily on ethanol fuel.

The engines will be the first of the X-DF-M/E platform optimised for primarily ethanol use. The fuel supply and injection pressure will be modified from WinGD’s methanol-fuelled engine concept already in service to account for the difference in energy density between the two fuels, which otherwise share very similar properties and combustion characteristics. The contract includes options for further engine deliveries should the vessel series be extended.

WinGD Executive Director Sales Volkmar Galke, said: “These first ethanol-fuelled X-DF-M/E engines build on more than a decade of intensive investigation into alcohol fuels including ethanol and methanol. Securing orders for a top-tier charterer and ship operator is the best possible validation of those efforts. This is a clear signal that the shipboard technology and fuel infrastructure around ethanol as a marine fuel are ready, giving confidence to others considering ethanol as an option for maritime decarbonisation.”

Ethanol is gaining attention as a ship fuel due to its widespread and cost-competitive availability in several markets. These markets include Brazil, from where the vessels will deliver iron ore to China. According to Vale’s own investigations, the use of ethanol can reduce greenhouse gas emissions by around 90% compared with heavy fuel oil, depending on the fuel type and lifecycle assumptions.

Vale Director of Shipping Rodrigo Bermelho, said: “The adoption of ethanol as an alternative fuel is part of Vale’s strategy to combine flexibility and efficiency in the ships that transport our ore and places the company in a unique position for the energy transition in global shipping over the coming decades, whilst driving similar initiatives in the sector.  We are pleased to partner with Shandong and WinGD on the world’s first newbuilding order for ethanol-fueled ocean-going vessels.”

With the addition of ethanol-fuel capability for its X-DF-M/E platform, WinGD now offers unparalleled fuel flexibility across Diesel-cycle two-stroke engines. X-DF-M/E, alongside the ammonia-fuelled X-DF-A and high-pressure LNG-fuelled X-DF-HP platforms, are all based on the same robust engine architecture and injection concept – ensuring efficient conversion capability that does not lock owners into a single fuel option.

The engine deliveries are scheduled to take place in early 2029 depending on shipyard requirements.

 

Photo credit: WinGD
Published: 20 May, 2026

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Engine

Everllence Mk10.7 engine orders rise as shipowners prioritise bunker fuel flexibility

Mk10.7 platform represents Everllence’s latest generation of two‑stroke engine design that supports conventional fuel operation (ME‑C) as well as dual‑fuel configurations, including methanol.

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Everllence Mk10.7 engine orders rise as shipowners prioritise bunker fuel flexibility

Engine manufacturer Everllence on Tuesday (19 May) reported continued momentum for its Mk10.7 two‑stroke engine platform, reflecting a market where shipowners are increasingly seeking to balance long‑term decarbonisation ambitions with near‑term energy security, fuel availability and operational resilience.

The Mk10.7 platform represents Everllence’s latest generation of two‑stroke engine design, developed around classic design principles and a modular architecture that supports conventional fuel operation (ME‑C) as well as dual‑fuel configurations, including methanol (ME‑LGIM) and methane (ME‑GI). 

This approach enables shipowners to make robust investment decisions today, while retaining the flexibility to adapt to evolving fuel supply-chains, regulatory frameworks and decarbonisation pathways over a vessel’s lifetime.

Bjarne Foldager, Head of Two-Stroke Business, Everllence, said: “Today’s shipowners are navigating a dual challenge: advancing the energy transition while safeguarding energy security and commercial resilience. What we are seeing with Mk10.7 is not a shift towards a single fuel but a clear preference for flexibility. Owners want solutions that allow them to move forward on decarbonisation without locking themselves into one pathway prematurely.”

Recent orders confirm the strong uptake of Mk10.7 single‑fuel engines, alongside adoption of dual‑fuel variants within the same engine architecture. As of April 2026, Everllence’s orderbook comprises more than 160 × Mk10.7 engines, underscoring strong market confidence in the platform. Everllence views this momentum as clear validation of the Mk10.7 platform’s role as a strategic foundation for modern newbuilding projects.

Most recently, the Yantai CIMC Raffles shipyard in China ordered 8 × 6G70ME-C 10.7 LGIM (Liquid Gas Injection Methanol) engines in connection with the construction of eight containerships for Hapag-Lloyd. Hanwha Engine will build the engines in Korea; an option for six further engines exists.

Christian Ludwig, Vice President, Head of Global Sales & Promotion, Two-Stroke Business, Everllence, said: “The Mk10.7 platform is designed precisely for this flexible market reality. By offering a common, robust engine architecture across conventional fuel and multiple dual‑fuel options, we enable shipowners to balance efficiency, reliability and future optionality. This combination is increasingly becoming a cornerstone of energy security in newbuilding projects.”

 

Photo credit: Everllence
Published: 20 May, 2026

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Technology

DNV gives nod to Kongsberg Maritime’s new ship engine room simulator

Kongsberg Maritime received a DNV Simulator Statement of Compliance for its new Engine Room Simulator model based on Höegh Aurora (CO₂ Pilot), a flagship vessel in Höegh Autoliners’ Aurora Class.

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DNV gives nod to Kongsberg Maritime’s new ship engine room simulator

Kongsberg Maritime on Wednesday (13 May) said it has received a DNV Simulator Statement of Compliance for its new Engine Room Simulator (ERS) model based on Höegh Aurora (CO₂ Pilot), a flagship vessel in Höegh Autoliners’ Aurora Class.

The approval follows a full demonstration and audit of the simulator model, confirming compliance with DNV’s maritime simulator requirements and validating the model’s fidelity for advanced training applications.

Designed to support Höegh Autoliners’ ambition to reach net-zero emissions by 2040, the vessels combine multi-fuel capability with readiness for zero-carbon fuels such as ammonia, alongside a suite of energy-efficient technologies and advanced onboard systems. 

With capacity for up to 9,100 vehicles and enhanced capabilities for electric vehicle transport, Höegh Aurora sets a new benchmark for future-ready car carriers.

“This achievement reflects close collaboration across teams and partners and underlines our commitment to delivering high-fidelity simulator models for the industry’s most advanced vessels,” said Leif Pentti Halvorsen, VP Engine Room and Cargo Handling, Maritime Simulation, Kongsberg Maritime.

“Independent verification from DNV demonstrates the accuracy and quality of our simulator models,” said Are Føllesdal Tjønn, Managing Director Maritime Simulation, Kongsberg Maritime. 

“At the same time, it strengthens our ability to support customers as they introduce new vessel designs and transition to more sustainable operations.”

Kongsberg Maritime has played a key role in enabling the Aurora Class through its integrated technology suite, including automation, propulsion optimisation and digital solutions that support more efficient and lower-emission operations throughout the vessel lifecycle. Extending this capability into simulation ensures that crews can fully understand and operate these systems from day one.

With the Statement of Compliance in place, the Höegh Aurora ERS model is now part of Kongsberg Maritime’s standard simulator portfolio and available for deployment across training centres worldwide.

 

Photo credit: Kongsberg Maritime
Published: 18 May, 2026

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