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News AR/AI
Solving Problems and Seeking Big Ideas for Commercial Vehicles
Advancing technology to solve challenges involving regulation, compliance, autonomy, electrification, combustion engines and other areas is an obvious focus of SAE...
News Motion Control
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 Power
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...
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...
Technology Report Green Design & Manufacturing
The Electrofuels That Reduce Amazon’s Fleet Emissions
Amazon has a goal of having 50% of its shipments being made net-zero carbon by 2030. In 2021, more than 100 million packages were delivered to customers with zero-emissions vehicles...
Editorial Manned Systems
Response to More-Rigid NOx and GHG Regs
The new low-NOx standards are part of the EPA’s Clean Trucks Plan that also includes “Phase 3” greenhouse gas standards for HD vehicles beginning in MY 2027.
Technology Report 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...
News Energy
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...
Technical Innovation Green Design & Manufacturing
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...
Editorial Manned Systems
Geopolitics: The Other Existential Threat
As I write this on Valentine’s Day, 105 Russian army battalions backed by over 500 tactical aircraft and 40 warships are poised for a blitzkrieg-style invasion of Ukraine. I don’t think it’s...
Q&A Regulations/Standards
Off-Highway Emissions Set to Get Stricter
Emissions regulators currently are largely focused on on-highway NOx and CO2 reductions, according to Dr. Mihai Dorobantu, director of Technology Planning and Government Affairs for Eaton Vehicle...
Articles Power
Global Emissions Regs Demand Differing Engine Strategies
Toxic tailpipe emissions and greenhouse gases (GHG) impact all nations, yet there is no global consensus on how to prioritize truck-engine emissions strategies. Emissions regulations...
News Energy
Propulsion Tech Tops SAE WCX 2021 Papers and Presentations
The technologies that literally make the world’s wheels go round – the latest combustion systems and battery chemistries, electric machines, drivelines, fuels and more – are...
News Electronics & Computers
Integrating Ultra-Low NOx Technology Presents Challenges
Ultra-low NOx regulations proposed by the California Air Resourced Board (CARB) call for 0.05 g/hp-hr tailpipe NOx in 2024, with a second stage in 2027 further reducing NOx to 0.02...
News Mechanical & Fluid Systems
The IC Future Points to More Downsizing, Lean Mixtures
Three engineers from the front lines of advanced internal-combustion (IC) engine development affirmed that despite the industry’s public promotion of a battery electric future for...
Q&A Regulations/Standards
Regulatory Landscape Challenges Commercial-Vehicle Engine Development
Regulations like California’s recent Advanced Clean Trucks rule, which calls for every new truck sold in the state to be zero-emission by 2045, will drive increasing...
Articles Manned Systems
Cummins, Tula Test ‘Dynamic’ Cylinder Deactivation for Diesels
Tula Technology has supplied the control software for “dynamic” cylinder deactivation in gasoline engines since 2018, launching in General Motors’ 5.3- and 6.2-L...
Articles Regulations/Standards
Renewable Propane, Ultra-Low NOx Engines Set Standards for Propane Autogas Innovations
The future of trucking is looking even greener. Not only are companies forced to contend with new government regulations to meet lower emissions and...
Articles Energy
Mahle’s Pre-Chamber MJI Technology Is Sparking Ignition Advances
Any technology transfer between the racetrack and the road is usually a one-way street, with motor racing leading and humble production machinery way back on the innovative...
News Manned Systems
Cleaner Trucks Initiative Starts NOx-Reduction Journey
The U.S. Environmental Protection Agency (EPA) is in the beginning stages of establishing new NOx regulations for heavy-duty on-highway trucks. The agency is spurred by advances in...
Articles Green Design & Manufacturing
Advancing Aftertreatment
Regulations in North America and Europe may have settled for the moment, but the pressure is still on for development in aftertreatment.
Q&A Manned Systems
Tenneco Talks ‘Clean Air’ Tech, Trends
In October 2018, Tenneco Inc. completed its “transformational” acquisition of Federal-Mogul LLC, and now is working to realign the businesses and establish two independent companies by late...
What We’re Driving Energy
Mercedes-Benz C220d AMG Line Cabriolet
Until relatively recently in Europe, “buy a new diesel car and help reduce CO2”, was accepted by most governments as a responsible piece of advice. In simple terms a late level Euro-6 diesel emits...
Technical Innovation Energy
Cummins Unveils PowerDrive Hybrid-Electrics, Euro 7 Diesel Concept
As vehicle and equipment manufacturers continue to move away from pure diesel power, Cummins has unveiled a suite of plug-in hybrid-electric powertrain solutions under the...
News Power
Deutz Equips Telehandlers with Hybrid and Fully Electric Powertrains
Deutz, which has produced internal combustion engines for more than a century, is moving quickly to integrate electric power with its mainstay diesel engines. Only a year...
Technical Innovation Power
Jacobs Employs Cylinder Deactivation in HD Engines to Lower CO2, NOx
Combustion engines have experienced a mounting PR problem in recent years, as more truck OEMs, major cities and countries announce their intentions to more aggressively...
Technical Innovation Regulations/Standards
Emissions Reductions Continue to Disrupt CV Industry
As the automotive and commercial vehicle (CV) industries expand from being dominated by a single powertrain to a multitude of power and fuel options, disruption is propelling change to...
News Manned Systems
Rolls-Royce Starts Lean-Burn Combustion Engine Icing Tests
In March, a new demonstrator engine by Rolls-Royce, featuring a cutting-edge lean-burn and low-emissions combustion system for future jet engine programs, began icing tests at the...
Editorial Transportation
‘Heavy’ Topics on Tap for WCX18
Another April, another SAE World Congress Experience—the organization’s flagship event (wcx18.org). A time when global mobility experts descend on Cobo Hall in Detroit to share insights and...
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INSIDERAerospace
NASA’s Quiet Supersonic Demonstrator Jet Completes First Flight
INSIDERDesign
Algorithms for Autonomous Marine Vehicles
INSIDERDesign
F-35 Proves Nuke Drop Performance in Stockpile Flight Testing
INSIDERLighting Technology
Using Ultrabright X-Rays to Test Materials for Ultrafast Aircraft
INSIDERMechanical & Fluid Systems
Stevens Researchers Test Morkovin's Hypothesis for Major Hypersonic Flight...
INSIDERSoftware
Webcasts
Software
Optimizing Production Processes with the Virtual Twin
Power
EV and Battery Thermal Management Strategies
Manufacturing & Prototyping
How Packet Digital Is Scaling Domestic Drone Battery Manufacturing
Automotive
Advancements in Zinc Die Casting Technology & Alloys for Next-Generation...
Automotive
Vehicle Test with R-444A: Better-Performing R-1234yf Direct Replacement for...
Test & Measurement
Vibroacoustic and Shock Analysis for Aerospace and Defense Applications