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News 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...
Technology Report Energy
BMW Plans Move to Structural Battery Packs and ‘46120’ Cells
The technology below the smooth skin of BMW’s i Vision Dee concept car, unveiled at CES 2023, marks a major step forward in the company’s electric-vehicle...
Briefs Photonics/Optics
MOVPE Growth of LWIR AlInAs/GaInAs/InP Quantum Cascade Lasers: Impact of Growth and Material Quality on Laser Performance
Quantum cascade lasers are compact coherent optical sources that emit over a wide wavelength range in the mid- to long-infrared as well as into part of the terahertz spectrum.
Briefs Green Design & Manufacturing
Biobased Carbon Fibers and Thermosetting Resins for Use in DOD Composites Applications
The aim was to use renewable resources derived from plants and other sources to prepare high-performance carbon fiber and thermosetting matrix resins with high strength and high thermal resistance.
Briefs Materials
Hierarchical Diamond-Based Ceramic Composites
This research developed and utilized advanced processing, modeling, and micromechanical tools.
Briefs Manufacturing & Prototyping
Additive Manufacturing Utilizing a Novel In-Line Mixing System for Design of Functionally Graded Ceramic Composites
Exploring the development of a direct ink writing system with multimaterial and in-line mixing capabilities for printing inks composed of high solids-loaded ceramic particulate suspensions.
Briefs Weapons Systems
Advanced Airborne Defensive Laser for Incorporation on Strike Fighter Aircraft
Short-range missiles pose a significant threat to U.S. strike fighters.
Technology Report Manufacturing & Prototyping
A Divergent Approach to Vehicle Development and Production
Among the most intriguing vehicles on display at the 2022 Pebble Beach Concours D’ Elegance was a pair developed by an obscure brand, Czinger Vehicles, and its parent company,...
News Power
ZF Introduces Complete E-Drive System for Passenger, Commercial Vehicles
ZF Group said a new e-drive system architecture that is more compact, offers greater energy density and is easily adaptable will appeal to manufacturers introducing...
Technology Report Automotive
Valve Cuts NVH in GDI Engines
When an automotive manufacturer struggled with the release of a new fuel-injection engine technology, the company required an immediate solution.
Technology Report Green Design & Manufacturing
A New A/C Refrigerant Joins the Global Warming Fight
A tri-part blend refrigerant, R-456A, has been introduced as a service replacement for the original refrigerant in R-134a automotive air conditioning systems.
News Regulations/Standards
Environmental Testing Preps for Tighter Regulations
Most engineers are used to the steady winds of change in refrigerant regulations as global agreements lead to new standards from the U.S. EPA and its counterparts in Europe and Asia. At...
News Power
Williams Debuts New Flexible Platform for BEVs and FCVs
Williams Advanced Engineering (WAE) has unveiled its latest product, the EVR electric vehicle platform. It has been designed to provide an accelerated start to a high-performance...
Briefs Medical
Oximeter Headband Initial Characterization Test on Form, Fit, and Function
The oximeter headband system consists of a custom-made, textile-based headband. It is a noninvasive, non-subcutaneous, and non-radiation-harming device that only maintains surface contact with the skin.
Briefs Sensors/Data Acquisition
Optimal UAS Assignments and Trajectories for Persistent Surveillance and Data Collection from a Wireless Sensor Network
To meet the DoD’s vision for future UAS capabilities and lower manpower costs, systems incorporating UAS and standoff components are needed.
Briefs Manned Systems
R/V Athena Model (5365) Response in Waves
A better physical understanding of the dynamic response of high-speed craft in seas would allow for increased structural optimization.
Briefs Test & Measurement
Laboratory Test Requirements for Marine Shock Isolation Seats
This research provides preliminary guidance for laboratory testing of marine shock isolation seats.
Briefs Defense
In-situ Atmospheric Intelligence for Hybrid Power Grids: Volume 2 (Automated Data Flow Tests)
To achieve dominance within the future battlespace, energy flow characterizations of individual platforms and the aggregate battlespace must be developed with respect to the variable operating conditions.
News 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...
Briefs Materials
Designing Sodium-Ion Batteries with Extended Longevity
In batteries, electrolyte is the circulating “blood” that keeps the energy flowing. The electrolyte forms by dissolving salts in solvents, resulting in charged ions that flow between the positive and negative electrodes.
Briefs Energy
Extending the Lifetime of Organic Aqueous Flow Batteries
Over the course of their research, the team discovered that these anthraquinones decompose slowly over time, regardless of how many times the battery has been used.
Briefs Energy
Glassy Electrolyte Holds Promise for an All-Solid-State Sodium Battery
Lithium-ion batteries are currently the preferred technology for powering electric vehicles, but they’re too expensive for long-duration grid-scale energy storage systems.
Briefs Design
Building Temperature-Resilient Batteries
In tests, the proof-of-concept batteries retained 87.5 percent and 115.9 percent of their energy capacity at -40 °C and 50 °C (-40 °F and 122 °F), respectively.
Briefs Energy
Triggering Li-ion Battery Cells with Laser Radiation
Inducing TR in a battery cell allows engineers to test and improve the safety performance of overheated batteries that can potentially catch fire or explode.
Briefs Energy
Electrolyte Additive Improves Battery Performance
The work could lead to improvements in the energy density of lithium batteries that power electric vehicles.
Briefs Design
Water-Activated Paper Battery
A team of researchers at EMPA have developed a water-activated disposable paper battery.
Briefs Energy
A Supercapacitor Device for Carbon Capture
When it discharges, the carbon dioxide can be released in a controlled way and collected to be reused or disposed of responsibly.
Briefs Photonics/Optics
Coherent, Efficient and Practical Polariton Lasers Using a Designable Cavity
This research demonstrates for the first time a polariton laser with coherence reaching the intrinsic limit of single-mode matter-wave lasers.
Briefs Aerospace
Navy Lasers, Railgun, and Hypervelocity Projectile: Background and Issues for Congress
Two key limitations that Navy surface ships currently have in defending themselves against ASCMs and ASBMs are limited depth of magazine and unfavorable cost exchange ratios.
Top Stories
INSIDERRF & Microwave Electronics
FAA to Replace Aging Network of Ground-Based Radars
PodcastsDefense
A New Additive Manufacturing Accelerator for the U.S. Navy in Guam
NewsSoftware
Rewriting the Engineer’s Playbook: What OEMs Must Do to Spin the AI Flywheel
Road ReadyPower
2026 Toyota RAV4 Review: All Hybrid, All the Time
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F-22 Pilot Controls Drone With Tablet
INSIDERRF & Microwave Electronics
L3Harris Starts Low Rate Production Of New F-16 Viper Shield
Webcasts
Automotive
Hydrogen Engines Are Heating Up for Heavy Duty
Power
SAE Automotive Podcast: Solid-State Batteries
Energy
SAE Automotive Engineering Podcast: Additive Manufacturing
Manufacturing & Prototyping
A New Approach to Manufacturing Machine Connectivity for the Air Force
Software
Optimizing Production Processes with the Virtual Twin
