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SAE Truck & Off-Highway Engineering: April 2024

2024-04-11
All-new VNL sports SuperTruck 2 influence Volvo Trucks reveals ground-up redesign of its Class 8 truck developed specifically for North American roads. Hydrogen ‘inevitable’ for commercial vehicles With battery charging infrastructure still spotty and corporate carbon-reduction targets looming, the CV sector increases interest in low-carbon fuels. Overcoming EV drivetrain testing challenges Effective hybrid/EV test systems add capabilities to test highpower regenerative electric drives, high-voltage battery and charging systems and communicate with smart control modules. Editorial Charging infrastructure coming — at a cost.
Magazine

SAE Truck & Off-Highway Engineering: February 2024

2024-02-15
Hyliion shifts focus from propulsion to power generation Prime power and EV charging are two areas that can benefit from the Karno linear generator beginning later this year. Intensifying pursuit of autonomous trucks Daimler Truck and Torc have established a clear roadmap that brings SAE level 4 trucks to the U.S. market by 2027. Commercial-truck EV fleets slow to grow Even for the largest players, the underdeveloped charging ecosystem is hampering commercial-truck fleets' electrification efforts.
Magazine

SAE Truck & Off-Highway Engineering: December 2023

2023-12-14
Perkins bets big on smaller engine The new 2600 Series 13-liter engine for off-highway machines will do more with less thanks to variable geometry turbocharging. BorgWarner targets more- sustainable e-motors System optimization and lifecycle analysis are key to taking heavy rare earths out of next-gen motors for commercial EVs. Enhancing digital platforms with CT data analysis TE Connectivity gains critical insights using Volume Graphics software throughout design, simulation and manufacturing.
Magazine

SAE Truck & Off-Highway Engineering: October 2023

2023-10-12
Fuel cells ready for commercial deployment GM Hydrotec boss says hydrogen fuel cells now are a viable zero-emissions choice for work trucks, other transportation modes. Battery chemistries for construction EVs NMC and LFP lithium-ion batteries find favor in different regions as OEMs move to electrify larger excavators and loaders. Betting big on LFP battery cells for electric CVs Accelera by Cummins, Daimler Truck and Paccar collaborate to establish a 21-GWh dedicated factory in the U.S. with technology partner EVE Energy.
Magazine

SAE Truck & Off-Highway Engineering: August 2023

2023-08-10
Enhancing truck-sensor modularity Kodiak Robotics' fifth-generation sensor stack and new SensorPods boost sensor and GPU performance and improve power efficiency. Bosch high on hydrogen The supplier is committed to all facets of the H2 economy as volume production of its power module kicks off for Nikola's Class 8 fuel-cell truck. Constructing bus structures with stainless steel Outokumpu and collaborators show a possible weight reduction of up to 35% by using high-strength stainless steel in place of carbon steel. Volta Zero is U.S. bound The startup plans to apply lessons learned in Europe to the U.S. market, bringing a "small fleet" of electric trucks for potential customers by the end of the year.
Magazine

SAE Truck & Off-Highway Engineering: June 2023

2023-06-08
Volvo Trucks enters electrification's next phase With electric trucks already available, the OEM focuses on refining service and maintenance, expanding EV-certified dealerships and scaling production. Why agriculture will automate before on-highway Danfoss' top autonomy executive says automation will help overcome labor and technological challenges that would otherwise leave billions of dollars' worth of crops rotting in fields. Driver-in-the-loop for off-highway development Industrial and agricultural vehicle engineers can draw many of the same benefits from a driving simulator as passenger-car development teams.
Magazine

SAE Truck & Off-Highway Engineering: April 2023

2023-04-13
Headliners from Las Vegas Big reveals abounded at the triennial CONEXPO trade show. Following are some of the most notable unveilings from the desert. Cat doubles down on diesel with new C13D platform Deere pursues electric construction machines and charging infrastructure JCB debuts clean-sheet hydrogen combustion engine Volvo CE unveils electric asphalt compactor, announces NA arrival of L350H loader Honda reveals next-gen Autonomous Work Vehicle Deere 3D-prints fuel valves for tractors HP's binder jetting technology and GKN's manufacturing expertise helped John Deere realize its first 3D-printed metal part for mass production. Returning to the SAE presidency for 2023 Setting a "prudently aggressive" mindset in advancing SAE's goals in the mobility ecosystem.
Magazine

SAE Truck & Off-Highway Engineering: February 2023

2023-02-09
Virtual powertrain development Simulation is critical for efficient product development, but proper tool selection and efficient data management are keys to success. Blue Arc amps up for EV production Shyft Group's EV subsidiary is lighting the path for the electrification of last-mile delivery vehicles as well as mobile charging solutions. Increasing connectivity in construction Jobsites look to overcome challenges posed by mixed fleets and proprietary telematics to achieve "one-dashboard" vision and increased machine utilization.
Magazine

SAE Truck & Off-Highway Engineering: December 2022

2022-12-01
Navistar’s ‘ground up’ approach to all-new diesel engine The S13 Integrated Powertrain will be Navistar’s final clean-sheet design of a diesel ICE powertrain. Human-machine collaboration in effect at FPT’s ePowertrain plant The company’s first carbon-neutral plant employs Industry 4.0 technologies to produce electric axles, central drives and battery packs for commercial vehicles like the Nikola Tre BEV. Autonomous jobsites edge closer to reality Heavy-equipment manufacturers and tech suppliers are solving the challenges to creating construction sites with fewer humans on the ground. Hydraulic fluids evolve to meet equipment design trends Standards fragmentation and new performance requirements for modern equipment pose challenges and opportunities for fluid developers.
Magazine

SAE Truck & Off-Highway Engineering: October 2022

2022-10-06
eAxles gain traction OEMs are developing and testing axles with integrated electric powertrains to electrify trucks of all sizes. Securing CAN networks in commercial vehicles A CAN transceiver with built-in security functions can avoid the complexity of end-to-end security solutions that are especially hard to implement on CVs. Electrification is the future for defense vehicles Despite infrastructure challenges, electrified and automated military vehicles will save fuel and lives, said Allison's VP of Defense Programs at SAE COMVEC 2022. Editorial Hiring talent to meet high-tech demands Allison's now open for hydrogen testing Electrification's impact on commercial-vehicle chassis design Harbinger prepares to enter commercial market with novel eAxle ZF, Freudenberg developing integrated 'Powerpack' fuel cell and e-drive Freightliner's medium-duty makeover for M2 and SD models Toyota's hydrogen fuel-cell powertrain provides an electrifying ride
Magazine

SAE Truck & Off-Highway Engineering: August 2022

2022-08-04
Deere advances in-field autonomy While stereo cameras and computer vision guide Deere's "limited- release" 8R autonomous tractor, Bear Flag's lidar tech will augment future machines. Positioning to centimeter-level improves agriculture Precision-navigation approaches that emphasize backward compatibility help farms reap more value from autonomous operations. Funding, mandates fuel commercial-vehicle electrification Legislators provide the impetus to electrify trucks and buses, leading to several engineering challenges.
Magazine

SAE Truck & Off-Highway Engineering: June 2022

2022-06-01
Paving the way for the hydrogen highway Experts at SAE WCX 2022 look beyond EVs to other systems that can garner net-zero capabilities. Electric mobile machines won't abandon hydraulics Bosch Rexroth executive stresses that electrification in off-highway applications must make optimum use of both next-gen electric and hydraulic technology. Aftermarket augments off-highway autonomous efforts Kontron and Intel experts explain how rugged, modular COM Express solutions reduce complexity and allow retrofit of autonomous systems on heavy mobile equipment. Solving the challenges of Megawatt chargers Littelfuse executive details an alternative technique for fast and efficient high-power charging of commercial electric vehicles. Supplier Directory Complete listing of industry suppliers categorized by technology area.
Magazine

SAE Truck & Off-Highway Engineering: April 2022

2022-04-01
Predicting mobility in military operational scenarios U.S. Army leads a seven-year, multinational effort to develop new off-road vehicle mobility analysis methodology. Hitting the gas on hydrogen tech OEMs and global suppliers still are betting big on hydrogen propulsion as a solution for decarbonizing the heavy-duty trucking industry. BEV truck manufacturers charge ahead Several companies announced new product offerings and prototypes of BEVs at the NTEA Work Truck Week in Indianapolis. Editorial Maintaining EV chargers yet another challenge Precision tech the 'backbone' to CNH's digital strategy Purdue prototypes new EV fast-charge cable 3DEO unveils metal 3D-printing platform for mass production Paccar launches new 18-speed automated transmissions Lightning's eChassis targets commercial EVs Quantron launches 12-m battery-electric bus; fuel-cell variant to follow Q&A Chemours' Christina Spalding shares insights on the commercial-vehicle industry's shift to R-1234yf HVAC refrigerant.
Magazine

SAE Truck & Off-Highway Engineering: February 2022

2022-02-03
Hydrogen generates buzz in power generation Companies target stationary power applications to prove their hydrogen technology and to build scale until infrastructure expands for mobility. 'Mixed' approach to e-truck manufacturing Volvo Group CTO details the OEM's "mixed model assembly" strategy for battery and fuel-cell electric vehicles and provides insights on infrastructure and the transition to autonomous. Innovation at the intersection of disciplines Caterpillar alum Sri Srinath, Ph.D., focuses on more collaboration and mentoring in his new role as 2022 SAE International president.
Magazine

SAE Truck & Off-Highway Engineering: December 2021

2021-12-02
Steel sector aids sustainability Volvo Group partners with SSAB on 'green steel' for off-highway machines and with Ovako for access to fossil-free hydrogen. CV autonomy: Picking the 'low-hanging fruit' Increasingly automated commercial vehicles offer challenges and opportunities in simulation, data management and standardization. Developing EV-specific lubes As electric-vehicle technology accelerates, dedicated e-fluids are necessary to maintain proper levels of drivetrain performance. Editorial Real-world emphasis on electric Mahle, Liebherr develop active pre-chamber for hydrogen ICE ABS ramps up commercial-vehicle battery-pack assembly Navistar updates A26 engine, improves FE by 4% Bosch debuts new CV-specific electric motor and inverter Western Star adds 'weight sensitive' 47X to vocational lineup Hyundai CE launches next-gen electric forklift Q&A Mahle's Laurent Art discusses thermal-management challenges, solutions for battery and fuel-cell electric commercial vehicles.
Magazine

SAE Truck & Off-Highway Engineering: October 2021

2021-10-07
Defending the heavy-vehicle cyber domain Cybersecurity experts explained at SAE COMVEC 2021 how they're preparing the next generation of thwarters to protect increasingly electrified, connected and automated trucks. Digitalization of product engineering ESI proposes "sustainable" product development via virtual prototyping to ensure operational safety and comfort for off-highway machines. Developing a next-gen VGT Engineers from Mitsubishi Heavy Industries refine the design of a variable geometry turbocharger for commercial vehicles. Editorial Insightful comments from COMVEC Lidar lets Vermeer automate baling processes Extending a Wankel future on hydrogen fuel Next-gen HMI crucial for ADAS efficacy Altair honors weight-saving innovations A bevy of battery and fuel-cell electric truck reveals Q&A Dr. Philip Stephenson, general manager of the PACCAR Technical Center, hones in on the potential efficacy of E-fuels, commercial-vehicle battery-swapping.
Magazine

SAE Truck & Off-Highway Engineering: August 2021

2021-08-05
Accelerating truck autonomy Platform-agnostic interfaces, field data analytics and smart diagnostics will help the commercial-vehicle industry reach SAE Level 4 and 5 operations sooner. Upswing in outsourced EV testing As testing for electric commercial-vehicle propulsion systems surges, Drive System Design is rushing to expand its testing capabilities in the U.S. to keep up with the demand. Global emissions regs demand differing engine strategies The best choice in emissions-reducing technology varies for the U.S. versus Europe and elsewhere, a Jacobs expert details. Precision ag aids sustainability Deere expert Deanna Kovar, a 2021 SAE COMVEC keynoter, provides her thoughts on the future of autonomy, computer vision and machine learning, data management and more.
Magazine

SAE Truck & Off-Highway Engineering: June 2021

2021-06-01
No shortage of challenges Supply chain struggles join perennial challenges for Cummins' off-highway business, namely meeting shifting global emissions standards and satisfying emerging technology trends. Batteries not the only route to EV efficiency Allison CTO stresses efficiency and safety of propulsion units also are critical to reducing cost, improving performance and ultimately winning over customers. Batteries go underground A Saft expert evaluates various Li-ion chemistries and strategies - battery swapping vs. fast charging - for electric mining vehicles. Platooning: an evolving pathway to full autonomy Human-guided convoys can provide real-world benefits sooner than individual driverless trucks, but safety and operational issues still need to be resolved to optimize platoon configurations. Supplier Directory Complete listing of industry suppliers categorized by technology area.
Magazine

SAE Truck & Off-Highway Engineering: April 2021

2021-04-01
Material selection for battery enclosures Mass reduction is the main reason BEV makers choose aluminum for battery enclosures, but cost and thermal requirements favor steel and polymer composites. Startup targets medium-duty EVs Atlis Motors purpose-engineers nearly all the vital components for an electric pickup and platform capable of spanning several market segments. High-voltage hybrids FEV engineers evaluate 48V and high-voltage parallel hybrid architectures for Class 6-7 commercial vehicles. Certain setups show more promise than others. Hemphill's mission: Support the innovation ecosystem Schaeffler America CTO Jeff Hemphill brings impressive technical chops and well-honed communication skills to his new role as 2021 SAE International president.
Magazine

SAE Truck & Off-Highway Engineering: February 2021

2021-02-04
Bigger processors, smaller engines Engine designers are using electronics, networks to downsize engines while upping performance, efficiency and NVH characteristics. A testing powerhouse Allison Transmission's new Vehicle Environmental Test center in Indianapolis is open for business for external and in-house customers alike. 'Revolutionizing' digital hydraulics Volvo CE teams with Norrhydro to commercialize an advanced electro-hydraulic system that promises fuel-efficiency gains of up to 50%.
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