Cummins unveiled the new 2025 6.7-liter Turbo Diesel Pickup engine system for Ram Heavy Duty, Cummins’ most advanced diesel pickup engine yet. As part of this, Cummins and Stellantis have extended their partnership to supply Ram Brand through 2030. New 2025 6.7L Cummins Turbo Diesel for Ram Heavy Duty Pickups.... Read more →

The California Air Resources Board (CARB) reached a settlement agreement with FCA US LLC (FCA) of Auburn Hills, Mich., for $4,185,820 for violations of CARB’s air quality regulations. The FCA vehicles involved in the settlement include model year (MY) 2014 through 2016 Ram ProMaster 1500, 2500, and 3500 vehicles equipped... Read more →

Doosan Enerbility is entering into a technology partnership with Korea Aerospace Industries (KAI) on the development of aircraft engines. The two companies will be cooperating in the following areas in alignment with the Korean government’s mid-to-long term plan for aircraft engine development: development of 15,000 lbf engine for unmanned/ manned... Read more →

At the end of 2024, the last of a total of 500 new Mercedes-Benz Actros trucks were handed over to the Finéjas Group at a ceremony in Wörth. The Mercedes-Benz Actros 1845 LS 4x2 trucks ordered are equipped with the latest generation of the OM 471 diesel engine with 330... Read more →

DEUTZ AG is strengthening its technology and production expertise to make combustion engines even more efficient and cleaner by acquiring a stake in HJS Emission Technology GmbH & Co. KG, a specialist in exhaust gas aftertreatment. To this end, both parties signed an agreement end of November, under which DEUTZ... Read more →

MAN Energy Solutions announced the successful retrofit of the main engine of the Maersk Halifax to a dual-fuel MAN B&W ME-LGIM unit. MAN PrimeServ, MAN Energy Solutions’ after-sales division, carried out the work, the first such project globally involving a VLCV (Very Large Container Vessel). The 15,000 teu vessel entered... Read more →

Vehicle and engine manufacturers, suppliers, and researchers have joined forces in the PoWer project (earlier post), which aims to explore how hydrogen drives can be used across the full spectrum of applications in construction and agriculture. The project is being led by MAHLE, with partners including DEUTZ, Purem, Claas, Liebherr,... Read more →

MAN Energy Solutions announced that the development of its ME-LGIA (Liquid Gas Injection Ammonia) engine has entered a new phase with the commencement of testing of a full-scale, two-stroke engine running on ammonia at its RCC (Research Centre Copenhagen). (Earlier post.) Having already completed more than 12 months of testing... Read more →

Following the signing of definitive agreements on 28 June 2024 (earlier post), Aramco has completed its acquisition of a 10% equity stake in Horse Powertrain Limited based on an enterprise value of €7.4 billion. The transaction builds on Aramco’s efforts to develop new mobility solutions with the potential to reduce... Read more →

Vehicle manufacturers, suppliers, and science, as well as small and medium-sized companies, including DEUTZ, KIT, The German Aerospace Center (DLR), Purem by Eberspaecher, Claas, Braunschweig University of Technology, Liebherr, Nagel, Umicore, NGK and Castrol, have joined forces to investigate the cross-application use of hydrogen-engine powertrain concepts for construction and agricultural... Read more →

Technology group Wärtsilä is part of a new research project exploring innovative technology for cleaner, more energy-efficient engines utilizing a closed loop combustion cycle. The research will focus on the use of argon—a non-toxic ideal gas present in the atmosphere—to increase efficiency of balancing engines. The co-innovation project is run... Read more →

A team of researchers from West Virginia University (WVU) investigated the potential for fueling neat ammonia to a single-cylinder heavy-duty four-stroke research diesel engine converted to natural gas spark ignition operation. A paper on their findings is published in the journal Fuel. Although ammonia, as a non-carbon fuel, is seen... Read more →

Researchers from Sandia National Laboratories and Toyota Motor have used a surrogate for a methanol-to-gasoline (MTG) fuel to study numerically the effects of gasoline composition on knock propensity and on the sensitivity of knock to thermal and fuel stratification, to oxygen dilution and to nitric oxide from exhaust gas recirculation... Read more →

Volkswagen of America unveiled the all-new 2025 Tiguan, the automaker’s best-selling nameplate in the US. The 2025 Tiguan features bolder styling, more power, and enhanced fuel efficiency. The Tiguan has been fully redesigned on the MQB evo platform with all-new sheet metal, a shorter rear overhang, and a slight wheelbase... Read more →

Commercial vehicle manufacturer MAN Truck & Bus has commissioned MAHLE to supply components for the hydrogen engine of its MAN hTGX truck. The vehicle was recently crowned winner of the Truck Innovation Award 2025. The direct-injection engine with 6 cylinders has 16.8 L displacement and produces 383 kW power output.... Read more →

As the first large vessel in the industry, the container ship Maersk Halifax has been converted into a dual-fuel vessel able to operate on methanol. The retrofit operation was conducted at the Zhoushan Xinya Shipyard in China over 88 days with completion at the end of October 2024. Following the... Read more →

Toyota Motor will enter the ENEOS Super Taikyu Series 2024 Empowered by BRIDGESTONE Round 7 Super Taikyu Final Fuji, to be held from 16 to 17 November, with the #32 ORC ROOKIE GR Corolla H2 Concept, a hydrogen-powered GR Corolla running on liquid hydrogen. Toyota will also be exhibiting a... Read more →

HySE (Hydrogen Small mobility & Engine technology Association) will participate in the “Mission 1000 ACT2” of Dakar 2025 (Dakar Rally), which will be held in Saudi Arabia from 3-17 January 2025, with the HySE-X2. “Mission 1000” is the category newly added to Dakar 2024, which is well-known as “Dakar Rally”... Read more →

Honda unveiled the first V3 motorcycle engine with an electrical compressor. The water-cooled 75-degree V3 engine is being newly developed for larger displacement motorcycles, and has been designed to be extremely slim and compact. V3 engine with electrical compressor It features the world’s first electrical compressor for motorcycles, which is... Read more →

Researchers from the University of Southern California (USC) have demonstrated that the use of nanosecond pulse transient plasma enables stable combustion of ammonia in an internal combustion engine (i.e., a modified natural gas engine) over a wide range of equivalence ratios from ϕ = 0.78 to ϕ = 1.23. A... Read more →

Yanmar Power Technology, a group company of Yanmar Holdings, successfully completed a land-based demonstration test of a pilot-ignition hydrogen 4-stroke high-speed engine for power generation in coastal vessels, achieving operation at a rated output of approximately 500kW. This trial was conducted as part of the Nippon Foundation’s zero emission ship... Read more →

Technology group Wärtsilä has introduced its innovative NextDF feature for the Wärtsilä 25DF dual-fuel engine. While operating on liquefied natural gas (LNG), the NextDF feature reduces methane emissions to less than 2% of fuel use across all load points, achieving as low as 1.1% in a wide load range. The... Read more →

MAN Energy Solutions has received multiple orders for MAN B&W G95ME-LGIM Mk 10.5 methanol engines to power a series of Very Large Container Vessels (VLCVs). The order brings the cumulative number of G95ME-C10.5-LGIM methanol engine orders to 95 at various yards in South Korea, China and Japan since the engine’s... Read more →

Nissan announced that cumulative global production of its e-POWER vehicles surpassed 1.5 million units as of the end of October. At present, e-POWER vehicles are sold in 68 markets around the world. A unique Nissan technology, e-POWER uses a small capacity gasoline engine and lithium-ion battery to power an electric... Read more →

In a project that recently started at the Kanzelstein quarry in Gratkorn, Austrian construction company STRABAG is testing Liebherr’s large hydrogen-powered wheel loader over a period of two years. Energie Steiermark will supply green hydrogen for its own hydrogen filling station at the quarry. The L 566 H wheel loader... Read more →

Swiss marine power company WinGD has introduced an option for its X-DF-A ammonia-fueled engines to be delivered capable of running on liquified petroleum gas (LPG). The ‘pre-fit’ solution will be of particular interest to vessels under construction for the anticipated global trade in ammonia, which will also be capable of... Read more →

Researchers at Oak Ridge National Laboratory and the National Energy Technology Laboratory have developed and 3D printed the lightest crack-free alloy capable of operating without melting at temperatures above 2,400 degrees Fahrenheit. This milestone could enable additively manufactured turbine blades to better handle extreme temperatures, reducing the carbon footprint of... Read more →

In the course of the market launch of the MAN D3872 (earlier post) for workboats, MAN Engines is expanding its portfolio with additional performance for heavy-duty applications. The new MAN D3872 in the LE427 variant for heavy-duty applications has an output of 920 kW (1,250 hp) at 1,800 rpm and... Read more →

Having designed and tested the first two-stroke ammonia engine (earlier post), MAN Energy Solutions has now launched the ‘AmmoniaMot 2’ research project. Initiated by MAN with partners from industry and research institutes, the project aims to develop a four-stroke, medium-speed, dual-fuel test engine that runs on ammonia. ­ Supported by... Read more →

The US Space Force is providing $35 million to a national research team led by the University of Michigan. It will be the first to bring fast chemical rockets together with efficient electric propulsion powered by a nuclear microreactor. The newly formed Space Power and Propulsion for Agility, Responsiveness and... Read more →

The US Environmental Protection Agency announced selections totaling nearly $125 million under the Diesel Emissions Reduction Act (DERA) National Grants Program which will incentivize and accelerate the upgrade or retirement of older diesel engines to cleaner and zero-emission solutions leading to significant emission reductions and air quality and public health... Read more →

With a higher battery capacity, DC charging at fast-charging stations, and an electric range of up to 143 kilometers (89 miles), the Audi A3 Sportback TFSI e is undergoing a comprehensive technology upgrade. Its intelligent drive management ensures outstanding efficiency, high recuperation performance, and locally emission-free driving over long distances... Read more →

OptiFuel Systems announced a new line of Total-Zero Diesel Hybrid and Total-Zero Diesel-RNG Dual Fuel Hybrid Series Locomotives. Production and delivery are expected in 2026 and either model can be retrofitted to any existing switcher or line haul platform. Engineered to deliver best-in-class continuous and peak power, fuel efficiency, and... Read more →

A team of researchers from University of California Riverside, BASF, Virginia Tech and Brookhaven National Laboratory have mixed platinum (Pt) catalyst with zeolites to improve significantly catalytic performance in the selective catalytic reduction of nitrogen oxides (NOx) with H2 (H2-SCR), a process aiming at NOx removal from internal combustion engines... Read more →

HD Hyundai Heavy Industries has developed a zero-carbon ammonia dual-fuel (DF) engine—the world’s first high-pressure ammonia direct injection engine. HD Hyundai Heavy Industries has completed the model-based class approval testing for the “HiMSEN Ammonia Dual-Fuel Engine,” (model: H22CDF-LA) at its Engine Technology Center in the Ulsan Headquarters. The testing was... Read more →

Alfa Laval said it will be ready to supply its first fuel systems for ammonia-fuelled vessels by the end of 2025. Leveraging its extensive expertise with fuels such as LNG, LPG, and methanol, Alfa Laval is accelerating the development of new technologies for ammonia to ensure its safe and efficient... Read more →

Volkswagen unveiled the new Tayron SUV in Europe; the large Volkswagen SUV with five or optionally seven seats is positioned between the Touareg (premium class) and the Tiguan (mid-class). A total of seven drive systems will soon be available. The range includes two next-generation plug-in hybrid electric vehicles (eHybrid). They... Read more →

Toyota Alabama has assembled its 10-millionth engine, an i-Force MAX 2.4-liter, to power an all-new hybrid Tacoma. The engine plant, which first broke ground in 2001, assembles a third of all Toyota engines in North America. Toyota Alabama’s 2,000 team members assemble upwards of 777,000 engines a year. When the... Read more →

LiquidPiston, an innovator of efficient internal combustion engine technology and hybrid power systems, has begun testing its 10kW heavy-fueled generator prototype. The genset is powered by LiquidPiston’s 25hp heavy-fueled XTS-210 rotary engine, which itself entered its integrated engine testing phase in April 2024. The company has been awarded more than... Read more →

Clean Energy Fuels, the largest provider of renewable natural gas (RNG) for the transportation industry, is launching a program to allow heavy-duty fleets to operate a truck equipped with the new Cummins X15N engine (earlier post). The first company to participate in the program is industry leader J.B. Hunt Transport... Read more →

Allison Transmission announced the integration of the Allison 4000 Series transmission with a Class 8 truck equipped with a Hydrogen Internal Combustion Engine (H2-ICE) displayed by Southwest Research Institute (SwRI) at SAE International’s Commercial Vehicle Engineering Congress (COMVEC) in Schaumburg, Illinois. The H2-ICE vehicle demonstrates emissions control capable of outperforming... Read more →

Allison Transmission and Cummins will integrate and certify a Cummins B-Series engine with the Allison eGen Flex electric hybrid propulsion system for the transit market. The integration will meet the EPA’s Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles – Phase 3 and provide a reliable low emission propulsion solution in... Read more →

The power-rich and versatile 3.0-liter Hurricane High Output (H/O) Straight-Six Turbo (SST) engine, as tested in a 2025 Ram 1500 Tungsten, has earned a 2024 Wards 10 Best Engines & Propulsion Systems award. This recognition marks the eighth consecutive year that a Stellantis propulsion system has earned a spot on... Read more →

MAN Energy Solutions has announced a new generation of its Common Rail injection system for its medium-speed, four-stroke portfolio. The CR 2.2 common-rail fuel-injection system will eventually completely replace its CR 1.6 predecessor and builds on its experience, allowing a very precise and flexible control of injection pressure, timing, and... Read more →

The Audi Q5 SUV has been one of the most popular SUVs in the midsize-segment in Germany and Europe for more than 15 years. Audi is now presenting the latest generation of the bestseller. The new Q5 is the first SUV based on the Premium Platform Combustion (PPC) and is... Read more →

The US Department of Energy’s (DOE’s) Office of Fossil Energy and Carbon Management (FECM) recently announced $8.8 million for 11 university-based research and development projects to improve the performance of hydrogen-fueled turbines. The selected projects will develop advanced materials and components that can better manage and withstand the extreme environment... Read more →

Wärtsilä has signed a contract with Norwegian shipowner Eidesvik to supply the equipment for the conversion of an offshore platform supply vessel (PSV) to operate with ammonia fuel. The vessel, ‘Viking Energy’, which is on contract to energy major Equinor, is scheduled for conversion in early 2026 and is expected... Read more →

NYK Line and IHI Power Systems, in cooperation with Nippon Kaiji Kyokai (ClassNK), have completed the world’s first ammonia-fueled vessel for commercial use—the tugboat Sakigake. The NYK Group company Shin-Nippon Kaiyosha will employ the vessel in tugboat operations in Tokyo Bay over a three-month demonstration period. This vessel was a... Read more →

Ultra-Compact Mobile Command Post Auxiliary Power Unit would offer integrated power generation for increasingly critical mobile, dispersible, and survivable combat posts LiquidPiston, a developer of compact, efficient, heavy-fuel-capable rotary combustion engine technology and hybrid power systems, received notification of selection for a US Army SBIR (Small Business Innovation Research) CATALYST... Read more →

MAN Engines is presenting the new and previously unreleased MAN D3872 V12 workboat engine with a displacement of 30 liters at SMM 2024. This offers a significant increase in displacement compared to the MAN D2862 series with 24 liters of displacement, which has been established for many years. MAN Engines... Read more →