Environment
Particulate matter (PM)

Latest Stories

Articles
Regulations/Standards

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...

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Original Equipment
Unmanned Systems

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...

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News
Energy

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...

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News
Energy

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.

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News
Power

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...

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News
Power

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...

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Articles
Materials

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.

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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...

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Executive Viewpoints
Power

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...

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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...

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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...

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Technology Report
Green Design & Manufacturing

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...

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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...

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Technical Innovation
Propulsion

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...

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News
Manned Systems

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...

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News
Power

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...

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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.

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News
Regulations/Standards

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...

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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...

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News
Energy

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...

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Briefs
Photonics/Optics

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...

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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...

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Articles
RF & Microwave Electronics

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...

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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...

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Briefs
Test & Measurement

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...

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Briefs
Aerospace

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...

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Briefs
Aerospace

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...

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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...

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Briefs
Materials

Abrasion Testing of Products Containing Nanomaterials

This SOP describes how to detect and quantify the release of nanoparticles from surface coatings into the air using a mechanical process that employs abrasion to simulate sanding. A...

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