Environment
Particulate matter (PM)
Latest Stories
Q&A Power
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...

Articles Green Design & Manufacturing
Europe’s Dust Buster
In a proposal submitted in November of 2022, the European Commission detailed its new Euro 7 vehicle emissions standard, which is widely expected to be approved by the European Parliament and Council and begin...

Original Equipment Green Design & Manufacturing
CNH Introduces Battery-Electric, Autonomous-Ready Tractor
CNH Industrial recently introduced what it says is the world’s first autonomous-ready, battery-electric light utility tractor at its Tech Day in Phoenix, Arizona. The New Holland...

Technology Report Manned Systems
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 Green Design & Manufacturing
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.

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 Green Design & Manufacturing
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...

Articles Mechanical & Fluid Systems
Remanufacturing Reimagined: How Selective Electroplating Extends Service Life and Reduces the Cost of Aerospace Components
Selective brush plating has dramatically evolved from its origins of touching up existing plating jobs.

News Green Design & Manufacturing
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...

Executive Viewpoints Connectivity
Batteries Go Underground
Diesel-powered mining vehicles add risk and complexity underground. Operators need extensive ventilation infrastructure to manage the exhaust gases, and this becomes exponentially larger as mines go deeper. That...

Articles Energy
Charting the ICE Future with Mahle’s Martin Berger
Electrification nets the current headlines and Wall Street fervor, but the internal combustion engine (ICE) will easily soldier on for several decades, serving as the core of many...

News Regulations/Standards
TDK Unveils Power-Generating Wheel Sensor
Electronics maker TDK in January introduced its InWheelSense piezo-electronic “energy harvesting and sensing module” that it said can generate power from vehicle wheel movement while also...

News Mechanical & Fluid Systems
Reconsidering CNG as an Alt-Fuel Solution
As CO2 emission standards continue to tighten, the future of the IC engine may be inexorably tied to alternative fuels. As automakers seek propulsion solutions delivering convenience and...

News Test & Measurement
Vehicle Cabin-Air Filters Can Combat Coronavirus, but Effort Is Problematic
On February 4, millions of people across China – some sheltering in place – watched the online-only launch of the Geely Icon SUV. As the China-based automaker...

News Energy
JCB Prepared to Meet EU Stage V Emissions
JCB is preparing to offer Stage V compliant engines across its equipment lines, with updates to its own engine range and changes to supplier models. Group director of engines Alan Tolley said that...

News Green Design & Manufacturing
Global Automakers in Canada Want an Industry Impact Assessment Before Shifting to a Single North American Emission Standard
Global Automakers of Canada (GAC) – which represents the Canadian interests of its 15 member companies from...

News Energy
2019 HEICE Symposium Kicks off Week of Valuable Engineering Insights
The 2019 SAE High Efficiency Internal Combustion Engine (HEICE) Symposium kicked off a week’s worth of SAE World Congress events in Detroit on Sunday, April 7. Now in...

News Regulations/Standards
Advancing Aftertreatment
Regulations in North America and Europe may have settled for the moment, but the pressure is still on for development in aftertreatment.

News Manned Systems
SAE International Releases New Process for Measuring Aerosols in Aircraft Exhaust
SAE International, based in Warrendale, Pennsylvania, has published a new recommended practice for assessing the amount of nonvolatile particulate matter (nvPM)...

Road Ready Energy
2019 Hyundai Nexo: Fuel-Cell Refinement, SUV Luxury
The 2019 Hyundai Nexo is a distinctively styled and luxurious C-class SUV based upon Hyundai’s first fully dedicated fuel-cell electric vehicle (FCEV) platform. A technological flagship...

News Green Design & Manufacturing
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...

Briefs Nanotechnology
Phonon Confinement Effect in TiO₂ Nanoparticles as Thermosensor Materials
TiO2 or ZnO nanoparticles (NPs) have a very strong finite-size dependency in their Raman spectra or photoluminescence (PL) spectra due to the phonon confinement effect...

Briefs Materials
Hydrodynamic Drag Force Measurement of a Functionalized Surface Exhibiting Superhydrophobic Properties
With superhydrophobic properties being extended to a variety of metallic substrates through the process of ablation due to femto-second...

Articles Aerospace
NASA Miniaturizes Century-Old Radio Sounder Technology
A century-old technology that scientists use to probe the ionosphere — the important atmospheric layer that can interfere with the transmission of radio waves — is getting smaller.

Briefs Photonics/Optics
New Class of Excimer-Pumped Atomic Lasers (XPALS)
The focus of this research program was the investigation of XPAL properties, and new pumping schemes, as well as modeling, and measuring critical photoionization and excited state-excited state...

Briefs Propulsion
Measuring Propellant Stress Relaxation Modulus Using Dynamic Mechanical Analyzer
Structural analysis of solid rocket motors is challenging for several reasons, but the most important of these is the complex behavior of the propellant. The...

Briefs Robotics, Automation & Control
Experimental Confirmation of an Aquatic Swimming Motion Theoretically of Very Low Drag and High Efficiency
It has been established theoretically that self-propulsion of deformable bodies in ideal fluid can occur with a careful specification of...

Briefs Photonics/Optics
Luminescence Materials as Nanoparticle Thermal Sensors
The purpose of this research program was to create and study novel luminescence particles (phosphors} capable of sensing and retaining the time-temperature information to which they were...

Briefs Defense
Development of High Quality 4H-SiC Thick Epitaxy for Reliable High Power Electronics Using Halogenated Precursors
Development of robust semiconductor devices with high energy efficiency and reliability is a key objective towards 'Energy...

Top Stories
INSIDERDesign
Supersonic X-59 Completes Cruise Control Engine Speed Test Ahead of First Flight
INSIDERDesign
3D-Printed C-17 Replacement Part Saves Thousands for Air Force
INSIDERRF & Microwave Electronics
Aitech’s New Palm-Sized Satellite Enables Space-Based AI Processing
INSIDERElectronics & Computers
Microsoft, PsiQuantum Designing Quantum Computer Prototypes for DARPA US2QC...
INSIDERAerospace
Two Startups Partner to Expand Hydrogen-Powered Drone Production
INSIDERSoftware
Bombardier is Digitally Upgrading its Aircraft Design, Engineering and...
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...