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December 09.2025
2 Minutes Read

Everllence's Breakthrough with Ethanol Four-Stroke Engine: What This Means for the Future of Marine Fuel

Detailed ethanol four-stroke engine in minimalist setting.

Everllence Leads the Charge in Alternative Fuels

In a significant development for the maritime industry, Everllence has achieved a remarkable milestone—confirming the successful operation of its 21/31 dual-fuel engine on ethanol across all load points. This groundbreaking test, conducted in Frederikshavn, Denmark, underscores a pioneering shift towards sustainable fuel options in marine engines.

Building on a Legacy of Innovation

Everllence has been at the forefront of engine technology, having introduced its first two-stroke methanol-burning engine in 2016, a move that changed the landscape of fuel usage in marine engines. By 2024, the company expanded its innovation with the launch of the small-bore, four-stroke, methanol-burning GenSet. This engine, referred to as the 21/31DF-M, has already made significant strides in commercial operation. The successful testing of ethanol now marks another chapter in Everllence's history of embracing alternative fuels, ideally positioning them to meet the growing demand for greener solutions in maritime transport.

Rationale Behind Ethanol Testing

According to Rasmus Frimann Nielsen, Senior Manager for Four-Stroke Small-Bore Engineering at Everllence, the decision to test ethanol stemmed from a consistent market demand for alternative fuels. With a notable increase in interest surrounding ethanol, Everllence responded by reinforcing its design considerations, leading to successful tests that demonstrate ethanol's viability as a fuel source. "During testing, we expanded the ethanol fuel share compared to methanol, confirming our ability to run the engine on ethanol without issues," noted Nielsen. This kind of market responsiveness is crucial as the industry pivots towards sustainability.

Impact on the Maritime Sector

The implications of these tests extend beyond Everllence, signaling a potential shift across the marine engineering landscape. As fuel regulations tighten and the focus on sustainability increases, this development could provide a model for other manufacturers grappling with the transition to greener technologies. Leveraging dual-fuel capabilities allows vessels to switch between fuels, optimizing performance while reducing emissions—an essential quality in today’s environmentally-conscious maritime sector.

Future Opportunities and Challenges

The successful testing of the ethanol-capable engine opens a plethora of opportunities for the maritime industry. However, challenges remain, such as the expansion of ethanol production and supply chains, which must keep pace with increasing demand. Everllence’s commitment to exploring and documenting the capabilities of ethanol as a fuel will provide invaluable insights to fuel stakeholders while aiding regulatory entities in shaping future policies.

Conclusion: The Road Ahead

The tests conducted by Everllence not only validate ethanol as a viable alternative fuel but also exemplify the need for ongoing innovation within the maritime industry. As we navigate the complexities of a changing environmental landscape, understanding the practical benefits of alternative fuels is invaluable for policymakers, shipbuilders, and operators alike. The successful launch of ethanol engines could catalyze widespread acceptance of sustainable fuel solutions—a win for the marine sector and the planet.

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12.09.2025

Washington State Ferries Invests in Hybrid-Electric Technology for Future

Update Charting a New Course: Washington State Ferries Goes Electric In a significant leap towards sustainability and modernization, Washington State Ferries (WSF) is set to welcome three new hybrid-electric ferries, marking a shift in its operational and environmental strategy. Governor Bob Ferguson recently selected Florida-based Eastern Shipbuilding Group's bid of $714.5 million to construct these cutting-edge vessels, emphasizing both performance and ecological responsibility. Design and Performance: A Glimpse into the Future These new vessels, each measuring 409 feet in length and designed to carry 160 standard-sized vehicles along with 1,500 passengers, are expected to bring both efficiency and innovation to WSF's roster. The hybrid-electric propulsion systems, supplied by ABB, will ensure reduced emissions, aligning with Washington's environmental goals while still catering to the high volume of commuters that rely on these ferries. The design incorporates advanced technology, including the largest ship batteries ever installed in the U.S., enabling a speed of 17 knots under full load, and setup to efficiently interface with existing dock facilities. This strategic upgrade not only enhances ferry operations but also champions a cleaner ferry transportation system, essential for the environment-sensitive waters of Washington. Diverse Perspectives: A Mixed Bag of Reactions While the choice of an out-of-state shipyard for building these ferries has garnered support from some governmental figures, it also has incited disappointment within local shipbuilding communities. Critics argue that Washington lost an opportunity to stimulate its own shipbuilding industry, particularly given the historical significance of the state in maritime construction. CEO of Nichols Brothers Boat Builders, which submitted a higher bid, expressed frustration regarding the missed opportunity to bolster local job creation and expertise. Meanwhile, state officials defend the decision, underlining budget constraints and the urgent need for new vessels to replace aging ones in service. This intricate dance between economic opportunity and fiscal responsibility highlights a critical juncture for the future of Washington's transportation and maritime industries. Future Predictions: Expanding the Fleet The adoption of these hybrid ferries is poised to set a new precedent for WSF, which plans to build up to 16 electric ships by the end of 2040 as part of a broader electrification strategy. This ambition reflects a growing trend among public transportation systems across the globe towards cleaner energy solutions. In addition, utilizing these vessels on high-traffic routes such as Mukilteo-Clinton will not only optimize operational efficiency but also serve as a model for potential expansions elsewhere. A Step Towards Sustainability The decision to invest in hybrid vessels is also part of Washington’s commitment to reducing its carbon footprint. As climate change becomes an increasingly pressing issue, transitioning to hybrid and electric-powered transports can significantly lower emissions from one of the state’s largest public transportation systems. With the expectation of deploying these innovative ferries in the next few years, Washington is embarking on a journey towards a more sustainable future. What This Means for Commuters For daily commuters, the introduction of these hybrid-electric ferries signifies more than just modern technology; it represents a commitment to improved service availability and reliability. With newer, efficient vessels in operation, WSF aims to restore confidence among riders who experienced service strains during the pandemic. The anticipated decrease in fuel costs as well as a reduction in maintenance downtime could enhance the overall ferry experience. As Washington State Ferries continues on this promising trajectory, stakeholders from transport authorities to local communities will be watching closely. The conversation around sustainable transportation is no longer limited to environmentalists or policymakers; it is becoming a central issue for every commuter who depends on WSF's services. A changeover to hybrid technologies might just be the beginning of a more robust and responsive public transportation network in the state.

12.08.2025

CATL's Ship-Shore-Cloud Solution: A Game-Changer for Electric Vessels

Update Revolutionizing Maritime Transport: The Ship-Shore-Cloud ModelIn a groundbreaking move, Contemporary Amperex Electric Vessel (CAEV), a subsidiary of CATL, has launched the world's first "ship-shore-cloud" electric vessel solution, aiming to redefine zero-carbon shipping and integrated smart port operations. This significant innovation was unveiled at Marintec China 2025, positioning CATL at the forefront of maritime electrification.The new model addresses longstanding issues in the marine industry—from fragmented supply chains to extensive operational inefficiencies. Su Yiyi, the General Manager of CATL's Electric Vessel Department, described the challenge of traditional setups where power supply and maintenance services were often siloed, leading to persistent problems and miscommunication across the vessel’s 30-year operational life.Understanding the Challenges: Systemic Issues in ShippingWithin the context of maritime transport, various systemic challenges arise, including high initial costs, range anxiety, and inadequate energy-replenishment infrastructures. Traditional models have often created a struggle for operators, facing a complex maze of standards and conditions which ultimately hinder operational efficiency.CATL’s "ship-shore-cloud" solution offers a tailored service meant to integrate all components of shipping operations: it amalgamates the power supply systems on the vessel with shore-side energy replenishment and management platforms in the cloud. This cohesive strategy not only streamlines operations but also delivers a holistic answer to the growth of electric vessels—a remarkable pivot towards sustainable practices in maritime logistics.Innovation at Its Finest: Integrating Technology to Elevate EfficiencyThis pioneering approach showcases CATL’s commitment to innovation in electrification. By utilizing advanced battery systems, intelligent navigation technology, and a sophisticated management platform called "Yunfan," CATL empowers shippers to monitor and optimize their operations remotely. Noteworthily, this solution also adopts a model where ships can separate from batteries for more efficient management during transit—a significant leap towards solving energy replenishment difficulties.Fact-Checking CATL's Achievements: A Track Record of SuccessIn just a few years, CATL has established itself as a leader in eco-friendly maritime solutions, having delivered nearly 900 electric ships. Notable projects include the world's largest-capacity all-electric inland passenger ship and the first all-electric sea-going passenger ship certified by the China Classification Society. Such achievements speak volumes about CATL’s capability to lead the zero-carbon initiative in maritime transport.Looking Ahead: Implications for the Maritime IndustryAs the maritime sector increasingly turns towards sustainable practices, solutions like CATL's "ship-shore-cloud" model are more crucial than ever. The potential for electrification in maritime transport can significantly speed up the transition to greener technologies. With this integrated system, operators can expect enhanced reliability, lower operational costs, and the ability to navigate environmental regulations effectively.Moreover, this innovative approach could spur other companies within the maritime industry to follow suit, fostering competition, leading to increased investment in electric technology, and ultimately accelerating the broader trend towards sustainability in maritime logistics.Conclusion: Embrace the Future of Sustainable ShippingIn a world that is leaning heavily on sustainable practices, the maritime shipping industry must adapt to meet new standards set by society and regulators alike. CATL's "ship-shore-cloud" electric vessel solution embodies a major step forward towards this goal. As the industry gears up for a greener future, stakeholders must keep learning from CATL's innovations and actively participate in the discourse on sustainable practices.As we navigate the uncharted waters of the electric revolution, it’s crucial to recognize the importance of embracing new technologies and methodologies. Only then can the maritime sector hope to meet the growing global demand for responsible and efficient shipping.

12.07.2025

Mitsubishi Shipbuilding Achieves Groundbreaking GDA for Low-Pressure CO2 Tank Technology

Update Revolutionizing CO2 Transport: A New Era BeginsIt's official—the shipping industry has taken a giant leap forward in tackling carbon emissions. Mitsubishi Shipbuilding Co., Ltd. and Nippon Steel Corporation have secured the world's first General Design Approval (GDA) from ClassNK for a pioneering liquefied CO2 (LCO2) cargo tank technology. This groundbreaking design redefines the norms of carbon transport, aligning closely with global goals of carbon capture and storage.This innovative tank is made from a unique high-strength steel—KF460—that eliminates the traditional post-weld heat treatment (PWHT) process, which has long been a bottleneck in manufacturing large LCO2 tanks. By sidelining PWHT through a rigorous Engineering Critical Assessment (ECA), Mitsubishi Shipbuilding has essentially fast-tracked the production of these essential vessels, easing constraints on shipyard productivity and facilitating a more scalable CO2 transport solution.Understanding the Impact of PWHT EliminationThe decision to forgo PWHT will have profound implications. With few facilities capable of heat-treating large-scale tanks, this shift changes the game for shipbuilders. It not only increases efficiency but significantly reduces costs associated with tank manufacturing. This simplification of processes could lead to a boom in the CO2 shipping market, providing vital infrastructure for climate initiatives. As this technology proliferates, it could potentially transform the maritime industry's approach to carbon management.The Role of ClassNK in Safety and ComplianceClassNK's issuance of this GDA is not just a formality; it signifies a key endorsement of the new tank's safety, strength, and reliability. Utilizing a safety assessment method rooted in fracture mechanics, ClassNK has demonstrated that the new design meets stringent international standards. This approval underscores the importance of rigorous evaluation in facilitating the transition to greener maritime solutions.A Look Ahead: Future Trends in CO2 ShippingAs the world pushes towards decarbonization, the demand for improved CO2 transport solutions is set to skyrocket. Industry stakeholders, including shipyards and equipment manufacturers, should prepare for a shift in operational standards and market dynamics. This technology development exemplifies the proactive strategies necessary for countries and organizations aiming to mitigate climate change.Collaborations Towards SustainabilityThe collaboration between Mitsubishi Shipbuilding and Nippon Steel reflects a broader strategy by the MHI Group to innovate within the climate tech space. Partnerships such as this are integral to solving complex energy-transition challenges. By enhancing production methods and engaging with supply-chain partners, these companies are setting the stage for an integrated CO2 shipping network that could play a significant role in achieving global climate targets.Empowering the Maritime Sector for DecarbonizationThe achievement of this GDA is not merely an engineering milestone; it is a vital step towards establishing practical and scalable solutions for maritime decarbonization. The commitment demonstrated by Mitsubishi Shipbuilding and Nippon Steel holds promise for the future of eco-friendly maritime operations. As the industry grapples with stricter emissions regulations, innovative technologies that streamline production processes and enhance the efficacy of carbon transport will be crucial.Conclusion: Join the Dialogue on Green Shipping InitiativesAs stakeholders in the maritime industry, understanding the implications of this technology and its rollout is essential. This milestone provides an opportunity to discuss how advancements in shipbuilding technology can contribute to climate goals worldwide. Engage with us and other industry experts to explore how we can collaborate towards a sustainable future.

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