Toyota suspends deliveries of 10 models with diesels suffering from “certification irregularities”

Toyota Motor is temporarily suspending shipments of 10 vehicle models equipped with the diesel engines from Toyota Industries Corporation (TICO), which are suffering from “certification irregularities.” Toyota Motor had commissioned TICO to develop diesel engines for automobiles. A special investigation into potential irregularities of certification regulationsfound that irregularities occurred during... Read more →


Jan De Nul Group and ABC Engines (Anglo Belgian Corporation) announced their partnership for hybrid marine engines. Both companies signed the order for four 7,200 kW engines and one 1,800 kW engine that can run on (bio)diesel, HVO and methanol. These engines will ensure propulsion of the newest Jan De... Read more →


Yamaha Golf-Car Company (YGC), a consolidated subsidiary of the Yamaha Motor Corporation that sells golf cars in the United States, developed a hydrogen-powered engine golf car concept model, the DRIVE H2. The concept model, the world’s first, is currently exhibited at the Florida-based PGA Show, one of the golf industry’s... Read more →


Volvo Trucks has launched a completely new Volvo VNL in North America. Optimized aerodynamics and new technologies have improved fuel efficiency by up to 10%. The new Volvo VNL is based on an all-new platform for all upcoming technologies, including battery-electric, fuel cell and internal combustion engines running on renewable... Read more →


Stellantis N.V. unveiled STLA Large, its all-new, highly flexible, BEV-native platform that is the foundation for a wide range of upcoming vehicles for global markets in the D and E segments. The platform enables embedded energy, charging efficiency, high-performance vehicle dynamics and Trail Rated off-road driving. Full-size vehicles based on... Read more →


DOE announces $131M to boost innovative clean mobility; Li-S batteries, hydrogen engines and USABC

The US Department of Energy (DOE) announced more than $131 million for projects to advance clean mobility, with $71 million from Fiscal Year 2023 project funding (DE-FOA-0002893, earlier post) awarded to 27 projects. In addition, the United States Advanced Battery Consortium LLC (USABC) of Southfield, Michigan, will receive $60 million... Read more →


Study highlights the need for methanol-specific knock threshold values

Researchers from Ghent University in Belgium have assessed the applicability of five different pressure-based knock metrics for use with methanol fuel in heavy-duty engines. Their findings, published in a paper in Fuel, highlight the need for dedicated, fuel-specific, knock threshold values. The heavy-duty industry typically uses a high cetane fuel... Read more →


OptiFuel Systems will begin testing a prototype 5600 hp Total-Zero Renewable Natural Gas (RNG) Line Haul Locomotive and 2500 hp Total-Zero Powered Tender with 7,500 DGE (diesel gallon equivalent) capacity in January 2025. (Earlier post.) The RNG-powered line haul locomotive produces 5100 hp of continuous power from Cummins RNG engines... Read more →


MAN Energy Solutions and Turkey-based Karpowership have signed a contract for the delivery of a total of 48 dual-fuel engines for Karpowership’s fleet of power plant ships (Powerships). The engine order consists of MAN 18V51/60DF dual-fuel engines with a mechanical output of 20.7 MW each. The main advantage of dual... Read more →


Yanmar Power Technology Co., Ltd. (YPT), a subsidiary of Yanmar Holdings Co., Ltd., has begun development of a hydrogen-fueled 4-stroke high-speed engine for power generation for coastal vessels in Japan as part of the Nippon Foundation’s zero-emission ship demonstration experiment. Pilot-ignition 6-cylinder hydrogen engine. In parallel with the hydrogen engine... Read more →


At CES 2024, Bosch reaffirmed its work on components for a hydrogen combustion engine, and said that its H2 engine is due to debut this year. Bosch engineers had to overcome two challenges when developing a new hydrogen injector for direct injection: first, there is no lubrication, which is provided... Read more →


Researchers at Waseda University in Japan, with a colleague from Isuzu Central Research, are proposing electric field-assisted lean NOx reduction for lean-burn engines. An open-access paper on their work is published in the RSC journal Chemical Communications. Lean-burn engines offer lower CO2 emissions, higher thermal efficiency, and better fuel economy... Read more →


Researchers investigate lean combustion of ammonia-hydrogen mixtures in a pre-chamber engine

Researchers from Shanghai Jiao Tong University, with colleagues from Shaanxi Diesel Heavy Industry, have investigated the impact of the hydrogen energy fraction (Hfrac), equivalence ratio, and ignition timing on the combustion and emission characteristics of ammonia-hydrogen mixtures at lean combustion conditions in a pre-chamber (PC) marine engine by CFD Simulation.... Read more →


Tanker company Euronav to acquire CMB.TECH for US$1.15B cash; hydrogen and ammonia engines

Independent tanker company Euronav NV and CMB NV, its controlling shareholder, entered into a share purchase agreement for the acquisition of 100% of the shares in CMB.TECH NV for a purchase price of US$1.150 billion in cash. CMB.TECH is a diversified cleantech maritime group. CMB.TECH builds, owns, operates and designs... Read more →


Toyota Motor participated in the IDEMITSU SUPER ENDURANCE SOUTHEAST ASIA TROPHY 2023 (Thailand 10-hour Endurance Race) held on December 22 and 23 at Thailand's Chang International Circuit. Toyota competed with a three-vehicle setup for ROOKIE Racing featuring the ORC ROOKIE GR86 CNF concept, a GR86 running on carbon-neutral fuel; the... Read more →


Engineers at NASA’s Marshall Space Flight Center in Huntsville, Alabama, successfully tested a novel, 3D-printed Rotating Detonation Rocket Engine (RDRE) (earlier post) for 251 seconds producing more than 5,800 pounds of thrust. The RDRE differs from a traditional rocket engine by generating thrust using a supersonic combustion phenomenon known as... Read more →


NYK will install Variable Compression Ratio (VCR) systems on dual-fuel two-stroke LNG-powered car carriers to be built by Shin Kurushima Dockyard. The first vessel is scheduled to be delivered in 2026. NYK earlier announced it would install the VCR systems on two LNG-fueled coal carriers. (Earlier post.) Cross section view... Read more →


Westport Fuel Systems has been awarded a development program by a global heavy truck manufacturer to adapt Westport’s Next Generation LNG HPDI fuel system to meet the Euro 7 emissions requirements for heavy-duty vehicle applications. The value of the development program is estimated to be US$33 million and will be... Read more →


Mercedes-Benz Special Trucks has tested a Unimog implement carrier prototype with a hydrogen combustion engine in real operation. The Unimog is a test vehicle that is used to research the conditions under which hydrogen combustion can be implemented as a supplement to battery-electric and fuel-cell-based drives. On a decommissioned section... Read more →


NASA has awarded GE Aerospace a contract for Phase 2 of the Hybrid Thermally Efficient Core (HyTEC) program, supporting continued technology development for the next-generation of commercial aircraft engines with the aim to improve fuel efficiency significantly and reduce emissions compared to engines today. The HyTEC’s Phase 2 Integrated Core... Read more →


JERA, the Japan-based energy company created through the consolidation of the fuel and thermal power departments of the Tokyo Electric Power Company and the Chubu Electric Power Company, launched a joint study with NYK Line and Resonac aimed at achieving the first supply of fuel ammonia to ships. JERA is... Read more →


GE Aerospace demonstrates hypersonic dual-mode ramjet with rotating detonation combustion

GE Aerospace recently demonstrated what it believes is the first hypersonic dual-mode ramjet (DMRJ) rig test with rotating detonation combustion (RDC) (earlier post) in a supersonic flow stream. This could help enable high-speed, long-range flight with increased efficiency. A dual mode ramjet (DMR) is a ramjet engine which can be... Read more →


MAN Engines is expanding its existing engine portfolio for workboats with the new MAN D3872 engine series. This newly developed V12 engine for commercial applications brings its power from a displacement of 30 liters for the first time. The MAN D3872 is currently undergoing field trials and achieves an output... Read more →


Ulstein Verft AS, the Norwegian yard, has ordered 2 × 3 × MAN 12V175D-MEV methanol-ready engines in connection with the building of two CSOV (Commissioning Service Operation Vessels) for Bernhard Schulte Offshore (BS Offshore), the offshore unit of international shipping corporation, Schulte Group. The vessels are designed to support the... Read more →


Port of Antwerp-Bruges and CMB.TECH announced that the Hydrotug 1, the first hydrogen-powered tugboat, is ready for operation in the Antwerp port area. The Hydrotug 1 is powered by combustion engines that burn hydrogen in combination with traditional fuel. It is the first vessel that uses the BeHydro V12 dual-fuel... Read more →


WinGD partners with Alfa Laval to advance the development of ammonia-powered engines

Alfa Laval and Swiss engine designer WinGD have established a partnership in which Alfa Laval will deliver two fuel supply systems (FSS) for testing WinGD’s ammonia-fueled engine in early 2024. Ammonia is anticipated to become a key fuel in the shipping industry’s efforts to reduce its impact on carbon emissions.... Read more →


MAN Energy Solutions will collaboarate with Alfa Laval, the Swedish industrial concern, to develop a methanol fuel-supply solution for MAN four-stroke engines and its fuel-injection technology. As a result, the first four-stroke engine types will be capable of retrofit to methanol operation from 2025. Methanol is a low-flashpoint fuel that... Read more →


Westport Fuel Systems announced the successful completion of a heavy transport demonstration with KAJ Inrikes and others, of WFS’ H2 HPDI fuel system-equipped prototype truck hauling a trailer filled with IKEA home-furnishing products in Älmhult, Sweden. This is the second validation of the H2 HPDI system (earlier post) in a... Read more →


Mobility technology supplier Marelli has presented its first hydrogen fuel system, including specific injectors with patented design and an advanced Engine Control Unit. This solution is aimed at hydrogen combustion engines, which are similar to traditional endothermic engines but use hydrogen as fuel, producing no CO2 emissions, thus representing an... Read more →


Yamaha Motor will be exhibiting a prototype hydrogen-powered outboard engine at the Miami International Boat Show, 14 to 18 February 2024 in Miami, Florida. Marine products run through water and are thus subjected to water resistance, requiring significantly more energy for propulsion than land vehicles. In a briefing on Yamaha... Read more →


COSCO Heavy Industry Shanghai Co. Ltd. has signed a contract with MAN Energy Solutions for the methanol retrofit of four main engines from COSCO Line’s ‘Camellia’ and ‘Virgo’ -class vessels—13,800 and 20,000 teu respectively. Currently equipped with single-fuel MAN B&W 11S90ME-C10.5 engines, the vessels will be retrofitted to dual-fuel MAN... Read more →


The Department of Energy’s Oak Ridge National Laboratory and Caterpillar Inc. have entered into a cooperative research and development agreement (CRADA) to investigate using methanol as an alternative fuel source for four-stroke internal combustion marine engines. The collaboration supports efforts to decarbonize the marine industry, a hard-to-electrify transportation sector. Methanol... Read more →


Japan’s Tsuneishi Shipbuilding Co., Ltd. has ordered 3 × MAN B&W 7G50ME-C9.6-LGIM (-Liquid Gas Injection Methanol) main engines in connection with the building of 3 × 81,200 dwt bulk carriers for Danish shipping company, J. Lauritzen. Each engine will feature MAN Energy Solutions’ proprietary EGRBP (Exhaust Gas Recirculation ByPass) emissions-reduction... Read more →


The modified glider at the center of Airbus UpNext’s hydrogen contrail-studying experiment, Blue Condor, made its first hydrogen-powered flight over Nevada on 8 November. The flight was the company’s first to use hydrogen as the sole fuel source, and it kicked off a test campaign that will conclude in a... Read more →


Kohler Engines unveiled its new Kohler Direct Injection Hydrogen (KDH) engine, an internal combustion engine running on hydrogen, at the recent 2023 Agritechnica tradeshow. This move aligns with Kohler Engines’ ongoing commitment to develop technologies with reduced environmental impact as well as the evolving landscape of the engine industry, which... Read more →


Chevrolet’s Tahoe and Suburban—the industry’s best-selling large SUVs—launch late next year with new designs, a more powerful diesel engine option available later in production and new technology enhancements designed to provide greater confidence and security behind the wheel. 2025 Tahoe Z71 (left) and 2025 Suburan High Country (right) The refined,... Read more →


Lloyd’s Register (LR) has awarded Type Approval to BeHydro, a joint venture between CMB.TECH and Anglo Belgian Corporation (ABC), for its hydrogen-powered dual-fuel engine. It is the first Type Approval for a dual-fuel hydrogen engine. The new engine, which has a capacity of up to 2.7 megawatts (MW), offers shipowners... Read more →


MAN Energy Solutions announced that a dual-fuel version of its MAN 175D high-speed engine, capable of operating on methanol, will be available by the end of 2026. The new variant, designated MAN 175DF-M, will be available both as newbuild and retrofit variants. MAN Energy Solutions states that the 175DF-M will... Read more →


The E-fuel project of VTT and partners has developed a concept for producing electrofuel from green hydrogen and carbon dioxide using a combination of different methods. This paraffinic e-fuel is being tested for the first time in Finland on a diesel-powered tractor at AGCO Power’s Linnavuori factory in Nokia. The... Read more →


dynaCERT has entered into an agreement with the French team HoleShot Competition to support their MAN Dakar Rally race truck at the 2024 Dakar Classic event. The French team’s #915 MAN Dakar Classic Rally race truck has been fitted with a HydraGEN HG1 Unit that uses simple electrolysis to convert... Read more →


China Merchants Energy Shipping (CMES), the Shanghai-listed shipping giant and daughter company of China Merchants Heavy Industry (CMHI), has ordered a MAN B&W 7G80ME-LGIM (-Liquid Gas Injection Methanol) main engine in connection with the construction of a VLCC (Very Large Crude Carrier), marking the first such dual-fuel methanol order for... Read more →


An offtake agreement between A.P. Moller - Maersk and Chinese developer Goldwind, a global leader in clean energy, reaches into the next decade and marks the first large scale green methanol offtake agreement for the global shipping industry. This deal is a milestone for Maersk as it enables it to... Read more →


Cochin Shipyard Ltd (CSL), the largest shipbuilding and maintenance facility in India, has ordered 2 × 2 × MAN 12V175D-MEV variable-speed GenSets in connection with the building of two short-sea hydrogen-fueled feeder container ships for global logistics company, Samskip Group, headquartered in Rotterdam. (Earlier post.) Known as the SeaShuttle project,... Read more →


MAN Energy Solutions is developing an oxidation catalyst for four-stroke engines that will significantly reduce methane slip. Called IMOKAT II and developed at MAN Energy Solutions’ headquarters in Augsburg, Germany, the research project is currently undergoing testing at the company’s Frederikshavn, Denmark facility. Funded by the German Federal Ministry for... Read more →


Caterpillar has launched a three-year program to demonstrate an advanced hydrogen-hybrid power solution built on its new Cat C13D engine platform. Starting in the first quarter of 2024, Caterpillar will develop a transient-capable system for off-highway applications. The project will demonstrate how advanced control systems and electric-hybrid components can help... Read more →


KEYOU and Paul Group expand partnership on commercial hydrogen vehicles

Munich-based KEYOU, which specializes in retrofitting heavy-duty trucks for operateion on hydrogen (earlier post) and leading commercial vehicle specialist Paul Nutzfahrzeuge from Vilshofen in Lower Bavaria are further expanding their existing partnership.The aim of the intensified cooperation is to provide a nationwide service network and thus further advance the market... Read more →


Rolls-Royce successfully completed compatibility testing of 100% Sustainable Aviation Fuel (SAF) on all its in-production civil aero engine types. This fulfils a commitment, made in 2021, to demonstrate there are no engine technology barriers to the use of 100% SAF. A ground test on a BR710 business jet engine at... Read more →


DeltaHawk Engines, builders of an FAA-certified jet-fueled piston engine for general aviation aircraft, has recently completed advanced simulation analysis of a new, hydrogen-fueled variant of its engine family for multiple markets. Variants of DeltaHawk’s FAA-certified piston-engine for general aviation aircraft are being developed for use in hydrogen-powered aviation, commercial road... Read more →


Wright Electric and Axter Aerospace announced the successful completion of the maiden flights of their hybrid-electric crop duster aircraft, featuring 800 kW of combined shaft horsepower. Wright also announced that its electric propulsion unit (EPU) has achieved 1.2 MW of peak shaft horsepower and 1.1 MW continuous power output. The... Read more →


Technology group Wärtsilä has introduced the marine sector’s first commercially available 4-stroke engine-based solution for ammonia fuel. The ammonia solution is now commercially available as part of the Wärtsilä 25 engine platform, which was launched in September 2022. Wärtsilä’s new 4-stroke engine-based solution for ammonia fuel enables a significant advance... Read more →