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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.

On the verge of the Digital Age Increasingly connected electrohydraulic systems and machine controls allow the high degree of controllability that's essential for automated operations. Miserly power systems Engineers push engine, transmission technologies to turn off fuel usage. All options on the table Powertrain developers who spoke at SAE COMVEC are leaving no stone unturned in their quest to trim emissions. Cab air quality: A critical component of operator comfort Focus on defining cab air quality, measuring it, and designing the needed performance into cabin designs and HVAC systems is intensifying. Expanding fast charging faster Tritium works to accelerate installation of DC fast-charging infrastructure to keep up with growing demand for commercial EVs.

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.

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.

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.

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.

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.

Battery of issues surrounds large-vehicle electrification Converting heavy-duty vehicles to battery power will require advances in weight reduction and thermal management. Autonomy kicks up some dust Machines that move, haul and plow earth can capitalize on autonomous systems today via increased safety and productivity in the field and significant cost savings. Digitalizing to deliver actionable data Mobile hydraulics expert details key trends in controls and IoT connectivity to improve machine design and end-user operations.

Heavy-duty engine design What are the most significant factors influencing the way engine developers approach near-term design and development cycles? Two experts provide their insights from recent programs. Reducing winter range loss for electric trucks Researchers at the Austrian Institute of Technology have developed an air exchange system that's capable of reducing heat load by 37% in real-world tests. Narrower focus, bigger payoff Design teams are targeting focused markets for their commercial electric-vehicle programs to combat challenges like range and infrastructure. Removing complexity for autonomous trucks Narrowing the operating domains for driverless commercial vehicles reduces the requirements of autonomous technology and speeds time to market. Plastics innovations 2019 The 49th annual SPE Automotive Awards highlight the ongoing benefits of lightweight polymers and composites.

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.

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.

The Best of COMVEC 2016 Autonomous vehicles, improved fuel efficiency and thermal management are among the pressing topics detailed in this select group of technical papers from the SAE Commercial Vehicle Engineering Congress. Autonomous solutions in agriculture Pneumatically shifted air suspension loading on 6x2 trucks Optimizing waste heat recovery for long-haul trucks Downsizing a HD diesel engine for off-highway applications Fan-shroud optimization for enhanced thermal performance Touch takes hold, switches lend a hand Touch screens are becoming the norm, but knobs and switches are often used to improve operator comfort. U.S. Army marches toward driverless future TARDEC targets vehicle autonomy with new V2V / V2X test bed in Michigan.

Optimizing brake-by-wire control An optimal control strategy is introduced that ensures minimum control effort that results in minimum actuator power consumption, while simultaneously providing efficient braking performance.

National Instruments Keeping pace with increasingly intelligent machines Molex Autonomous equipment positioned to be next disruptive technology Sauer-Danfoss Speed wins IAV Engineering in the virtual world Mentor Graphics What will save us from electrical system design complexity? Perkins Designing for diversity TTControl Intelligent controls and connectivity Federal-Mogul Technology strategies for the future Dana Innovation that addresses global megatrends dSPACE Can you imagine your life without challenges? Tenneco Technology meets regulatory challenges Southco Shifts in design energy Bosch Rexroth Manufacturing and logistical excellence MathWorks Continuous improvement to meet new challenges

Economies of (drivetrain) scale Emissions challenges continue, but engine and transmission technology is advancing solutions and improving vehicle systems intergration. Searching for real-world responses Prototype testing is constantly changing as electronic technologies help transform equipment; design processes adjust as digital development evolves. Hydraulic brakes on one hand, air brakes on the other Building a better brake system had continued to challenge engineers for more than a century, as a changing world has demanded correspondingly advanced brake technology. Top technologies of 2007 A look back at some of the most significant technological innovations during the past year.

Operator station innovations Off-highway engineers work hard to provide comfort, ease of operation, and reliability to users. As an added challenge, they must design for operators who can spend an entire day working hard in their cab. Designing online Major developments in internet-based technologies are profoundly changing the engineering/design process, revolutionizing the way OEMs and suppliers do business, and speeding the industry's time-to-market. FEA simulation of an electrohydraulic system Researchers from the Milwaukee School of Engineering provide an accurate model of a typical magentic actuator Predicting injury in forklift upsets Researchers from the Biomechanics Institute present test results that demonstrate operators can prevent ejection and injury from a forklift if they are lap-belted and have either a winged seat or hip restraint.

Shed a few joules with better aerodynamics A team of engineering students from Laval University has managed to reduce the energy demand due to wind resistance of its Supermileage vehicle by 10% after carefully designing a new vehicle body with a 25% larger frontal area. Telemetry helps Formula SAE team close the loop on design Once a year, a team of students at Virginia Tech get to do something that ought to put a grin on any aspiring engineer's face: build a racecar. Unconventional steel wheel designs The drawings done by collegiate students for a steel wheel design competition had industry professionals thinking about future production possibilities.

I was promised flying cars Though flying cars seem unlikely to become reality anytime soon, driverless vehicle technology is improving more quickly than you might expect. Quantum leaps toward world solar car title Armed with a dramatically lighter and aerodynamically cleaner racecar, the University of Michigan team likes its chances down under in the 2011 World Solar Challenge. Designing an aerodynamic undertray for a Formula style racecar Using CFD analysis, a master's student discovers an effective design for the undertray of a Formula SAE racecar. Hypersonic possibilities When it comes to reviving high-speed air travel, it all comes down to propulsion, propulsion, propulsion.

Getting greener To meet upcoming fuel economy and emissions regulations, the developmental homogeneous charge compression ignition (HCCI) engine shows promise, but pursuit of more conventional engine technologies may be the better path. Highlights of Baja SAEINDIA The 2015 event, the 8th edition with the theme of Beyond Boundaries, was won by the College of Engineering, Pune. Rise of the underdogs Problem-plagued effort last year spurs Baja SAE team from VIT University of India to overhaul itself and its car. Testing reality in an increasingly complex design space Digital simulation tools have transformed the designing and testing of new aircraft, as well as the way they are manufactured and sustained.

The art of 'why?': exploring the impact of autonomy Kettering University students reconciled different viewpoints and backgrounds to explore the impacts of autonomous vehicles through the AutoDrive Challenge. Finding the right frequency The University of Minnesota Duluth snowmobile team's use of noise frequency analysis helped it achieve its bester-ever finish in the SAE Clean Snowmobile Challenge. Inside Rennteam Uni Stuttgart. A formal structure and precisely defined roles help the Formula Student team from the University of Stuttgart remain a perennial power.