Power and Propulsion
Diesel / compression ignition engines
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News Power
Clarios Brings AI to Idle Management for Heavy Trucks
The predominant low-voltage battery maker Clarios today announced that IdleLess, a sensor-and-AI-driven system for heavy-duty trucks that it says can save up to $3,300 per year per...
News Energy
Challenges and Opportunities of Electrifying Off-Highway Machines
The off-highway machine industry is embracing new technologies to optimize operations, specifically regarding electric and hybrid off-highway equipment. The electric...
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...
Technical Innovation Transportation
Cummins Unveils New B7.2 Diesel Engine
Cummins has unveiled the latest iteration of its renowned B series engine at its press conference during NTEA’s Work Truck Week 2025 in Indianapolis. The new B7.2 diesel is the latest engine to be...
Articles Power
JLG Reveals New Electric Telehandler
JLG Industries has unveiled its first electric telehandler, the E313, designed for all-terrain and off-road use. The battery-powered E313 offers zero-emission and low-noise operation for moving...
Articles Power
Hybrid Powertrains in the Product Mix
Perfect is the enemy of good. That aphorism embodies some of the frustrations voiced by trucking-industry companies and associations when it comes to satisfying lower greenhouse gas (GHG) and NOx...
Technical Innovation Regulations/Standards
Study: Excessive Real-World NOx Emissions from HD Diesel Pickups
An eight-year study of in-use emissions from heavy-duty diesel pickups in Colorado and Virginia showed those vehicles to be emitting oxides of nitrogen (NOx) far in excess of...
Technical Innovation Energy
CES 2025: Cat Debuts Hybrid-Electric Retrofit on 972 Wheel Loader
A 55,000-lb (24,948-kg) front end loader with substantial field usage time underwent a 12-week hybrid-electric conversion in advance of its CES 2025 debut. “This...
Articles Power
Improving the Ageless ICE
Agriculture, industrial, mining, construction, freight transport and other major global economy sectors rely on vehicle power to thrive. “Internal combustion engines – those powered by gasoline, diesel,...
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...
Original Equipment Manned Systems
Liebherr Reveals Towering Battery-Electric Haul Truck
Liebherr and Fortescue unveiled their first autonomous battery-electric T 264 haul truck at MINExpo 2024, garnering a steady stream of attendees eyeing and climbing on the giant...
News Propulsion
Off-Highway Hybrids Are Entering Prime Time
Vocational off-highway vehicles are piling on the miles with power provided by an internal combustion engine (ICE) with additional hybrid technology. “We often get asked the question,...
Q&A Energy
Shell Details Upcoming Engine-Oil Developments
Shell Rotella hosted journalists at the National Tractor Pulling Championships in Bowling Green, Ohio, in August, where the company was sponsoring tractors run by Koester Racing in the...
Original Equipment Energy
HD Hyundai Rolls out a Slew of New Machines
HD Hyundai recently announced several new additions to its portfolio of off-highway machines. The expansion includes the HD100 dozer, the HX355A excavator, and a quartet of new models for its...
Original Equipment Energy
Case Launches ‘Industry First’ Electric Backhoe Loader
Case Construction Equipment launched its first electric vehicle (EV) products last year – the CX15EV mini excavator and the SL22EV small articulated loader – and the company...
Articles Mechanical & Fluid Systems
Cummins New X15 Engine Meets Upcoming Regs While Boosting Efficiency
Cummins provided extensive details of the design and engineering involved in developing the new HELM version of its X15 diesel engine. The company says its new engine...
Original Equipment Power
ASV Rolls out a Pair of New Loaders
ASV has introduced a pair of track loaders, the VT-75 and RT-65. Both models feature a Yanmar Tier 4 Final rated diesel engine. The VT-75 is equipped with a 74.3-horsepower (55.4 kW) engine, while the...
News Energy
Cummins Cylinder Deactivation Saves on Fuel and Emissions
Cylinder deactivation has become increasingly common across various types of commercial on-road ICE powertrains to meet the upcoming North American (EPA 27) and Europe (Euro 7)...
Q&A Green Design & Manufacturing
Detailing Kenworth’s Sleek SuperTruck 2
The Kenworth booth at the 2024 Advanced Clean Transportation (ACT) Expo in Las Vegas garnered much interest thanks to the reveal of its futuristic-looking SuperTruck 2. Developed over a six-year...
Editorial Manned Systems
Hybrids Are Having a Moment
Manufacturers at the forefront of sustainability efforts and intent on electrifying commercial trucks and off-highway machines still see the necessity to include internal combustion engines in their future...
Executive Viewpoints Manned Systems
Hexagon Bullish on CNG for Long-Haul Trucks
Though some OEMs have signaled that the end of the ICE age is nigh, reports of the combustion engine’s death as the backbone of the commercial-trucking industry are greatly exaggerated....
Executive Viewpoints Energy
Volvo Charts Its Path Towards Zero Emissions
Volvo Trucks is betting on themselves to reach the aggressive goal of net-zero carbon emissions by 2040. The company is taking an almost fanatical approach to its emissions reduction targets in...
Technical Innovation Power
Electronic Torque Limiting Boosts Machine Productivity
Electrification isn’t just a matter of switching out the diesel engine for an electric motor. It requires a thorough review of connected systems – particularly the hydraulic...
Articles Energy
Hydrogen ‘Inevitable’ for Commercial Vehicles
With the perception of diesel engines as bad actors in the worldwide transportation-emissions crackdown, the commercial-vehicle sector is racing to identify and develop propulsion...
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 Electronics & Computers
Fuel-Cell Power for Monster Mining Trucks in GM, Komatsu Deal
In the latest announcement from GM regarding commercialization of its longstanding hydrogen fuel-cell research and development, it and commercial-vehicle specialist Komatsu said...
Articles Power
Hyliion Shifts Focus from Propulsion to Power Generation
Hyliion acquired the Karno generator technology from GE Additive in August 2022 to employ as a fuel-agnostic power system on its Hypertruck platform, which was revealed as a...
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 Power
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...
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