Power and Propulsion
Combustion and combustion processes
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Articles Propulsion
Designs on a Diverse Powertrain Future
Many manufacturers in the construction and mining vehicle sectors have tabbed the Bauma trade show in April as the venue for major product debuts. Perkins is one of those, though it provided select...

Road Ready Imaging
2026 Escalade IQL Is Cadillac’s Biggest, Roomiest EV Yet
Cadillac today unveiled the 2026 Escalade IQL electric vehicle, which maintains the Escalade IQ’s class-leading range but adds additional passenger and cargo space.

Technology Report Propulsion
The International Fight over EFuels, Internal Combustion’s Would-Be Savior
Efuels, synthetic gasolines made from captured carbon dioxide and renewable energy (usually wind and solar power) are“ a valuable part of the solution” said...

Articles Green Design & Manufacturing
SwRI Rolls out Hydrogen Demonstration Truck
For decades, the running joke around hydrogen being a viable fuel for commercial trucks has been that its “ten years away from being ten years away.” Though H2-fueled rigs operating at scale...

Technical Innovation Electronics & Computers
Donaldson Filters Keep Fuel Cells Clean
One of the advantages of the internal combustion engine is that it can function with relatively simple intake air filtration. Provided that dust is kept out, air entering the engine can ensure that...

Articles Defense
A New Look at Ignition: Refining Our Understanding of Combustion Dynamics in Gun Chambers
Every time a soldier pulls the trigger on a 7.62 rifle or pulls the wire of a 155 Howitzer, a complex chain reaction ensues over the next millisecond that we refer to as the ignition event. Read on to gain a new look at ignition.

Technical Innovation Green Design & Manufacturing
Mercedes: H2-ICE Is Ready for Primetime in Commercial Trucks
Mercedes-Benz has unveiled a pair of prototypes powered by hydrogen combustion engines that were created in collaboration with Mörtlbauer Baumaschinen Vertriebs. The prototypes...

Technical Innovation Propulsion
In Pursuit of a Dedicated Hydrogen ICE for Heavy-Duty Vehicles
Heavy-duty vehicle regulations from the European Union specify a 43% carbon emissions reduction by 2030. The EU’s carbon emissions reduction mandate climbs to 64% by 2035...

Q&A Energy
Renewable Diesel Offers Drop-In Solution for Decarbonization
Renewable diesel fuels represent an opportunity to decarbonize on- and off-highway diesel ICE vehicles with a minimal investment in infrastructure and little to no disruption of...

Technical Innovation Manned Systems
Westport Awarded LNG Development Program
Westport Fuel Systems announced that it has been awarded a development program by a global heavy truck manufacturer to adapt its LNG HPDI fuel system to meet Euro 7 emissions requirements for...

News Green Design & Manufacturing
Hydrogen ICE Is Heating Up
In the past three months, at least four major announcements have detailed the kickstart of development programs or real-world demonstrations of hydrogen-fueled internal combustion engines (ICE). As OEMs and...

Technical Innovation Power
The Future of Carbon-Neutral Fuels for Heavy-Duty Machines
Decarbonization of commercial vehicles and off-highway machines is rapidly becoming a hot-button topic among regulators in the EU, Asia and North America. In addition to cracking...

Articles Manufacturing & Prototyping
Bosch Begins Production of Fuel-Cell Power Modules for Nikola
At its oldest and largest location – a site long accustomed to manufacturing parts for combustion engines – Bosch is now producing what it calls the most complex system it...

Articles Power
E-Fueling for the Future
Synthetic and bio-based liquid “e-fuels” have in various forms enjoyed fits and starts of industry attention and R&D investment in recent years, but got the most significant boost ever in March 2023 when a...

Articles Motion Control
Designing for 200 BMEP and 22,000 Rpm
Fire-bombing destroyed Japan’s 66 largest cities and their industry during World War II. After the war, over 200 makers of light motorbikes sprang into being because such transportation could be...

Q&A Regulations/Standards
Kubota Engine High on HVO, Hydrogen and Hybrids
As part of its path to carbon neutrality, Kubota Engine engineers have developed a new 3.8-liter hydrogen engine that was introduced at CONEXPO 2023 in Las Vegas. The 4-cylinder spark-ignited...

Editorial Propulsion
Sunset for the American V8
Technologies transition from dominance to nearly dead at different speeds and for various reasons. That’s particularly true for motive power. Pistons, cams and valves are giving way to anodes, cathodes and...

Articles Energy
JCB Debuts Clean-Sheet Hydrogen Combustion Engine
JCB unveiled their clean-sheet hydrogen combustion engine, the 448 ABH2, at CONEXPO 2023 in Las Vegas. The company is touting their engine as a zero-emissions solution for construction and...

Articles Energy
Building Out the EV Battery-Recycling Ecosystem
A robust EV battery-recycling industry has moved to a necessity as automakers, and their suppliers, transition away from internal combustion.

Technical Innovation Transportation
Hydrogen Shows Increased Commercial Interest
While several commercial vehicle OEMs, including Tesla and Nikola, are in the latter phase of testing battery-electric semi-tractors on the road, action in the hydrogen space continues to grow...

Technical Innovation Test & Measurement
Tula’s DMD Promises Gains in EV Efficiency
Nestled in San Jose, California just south of the San Francisco Bay, the small but mighty team at Tula Technologies continues to develop advancements for optimizing the efficiency of ICE and...

Articles Green Design & Manufacturing
Navistar’s ‘Ground Up’ Approach to All-New Diesel Engine
Though electrification has taken center stage for the commercial trucking industry, diesel ICE powertrains will continue to serve as the preferred propulsion system of many...

Editorial Regulations/Standards
Zeroing in on Zero-Carbon Fuels
COP27, the 2022 United Nations Climate Change Conference that took place in Sharm El-Sheikh, Egypt, over a two-week span in November, helped bring global attention to the need for significant reductions of...

Q&A Energy
Liebherr Goes All in on Hydrogen Fuel
At the Bauma conference in late October, Liebherr displayed two prototype H2-fueled engines, the H964 and H966, to showcase its hydrogen-engine technology. Each prototype employed a different hydrogen...

Technical Innovation Power
Kohler Doubles down on ICE Development
Kohler announced a new strategy at the Bauma 2022 expo – the company aims to transform itself from a power producer into an energy supplier. “Our business transformation is focused on providing...

News Design
Tension and the Electric Takeover
Something happened in September 2022 that can be seen as emblematic of the auto industry’s accelerating transition to electrification: Tesla’s Model Y was Europe’s best-selling vehicle. An EV as an...

Executive Viewpoints Power
Electric Mobile Machines Won’t Abandon Hydraulics
Equipment manufacturers in every major global market are launching full-electric and diesel-electric vehicles to respond to increasing market demands, reduce carbon footprints and stay...

Technical Innovation Energy
New Biodiesel Strains Offer Measurable Gains
Extensive research and development of Hydrotreated Vegetable Oil (HVO) as a renewable and environmentally friendly fuel for diesel engines has been carried out by various OEMs and Tier 1s over...

Technology Report Software
SAE WCX 2022: Internal-Combustion’s Life Extension
Whichever way you “slice” it, the future of the 150-year-old internal combustion engine is moving steadily into the hands of global emissions-policy regulators. New ICE programs are...

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Engineering the EL9: Electra's Ultra Short Hybrid-Electric Aircraft
Webcasts
Materials
Optimizing Electric Powertrains: Advanced Materials for Performance, Safety,...
Imaging
Breakthrough in Infrared and Visible Imaging: One Dataset with...
Test & Measurement
Improving Rocket and Flight Vehicle Testing Under Capital...
AR/AI
Advancing Automotive Manufacturing with Digital Twins
Defense
Powering NewSpace Missions: Navigating the Cost vs. Reliability...
Electronics & Computers
Solving Thermal Challenges in Defense: The Role of ECUs and...