Energy

Energy Efficiency

Stay cutting-edge with essential news, product developments, and technical briefs pertaining to energy efficiency plus sustainable and renewable technologies and tactics.

Latest Briefs & News

Briefs : Energy
Fuel Cell Technology Runs on Solid Carbon
Fuel Cell Technology Runs on Solid Carbon

Whereas hydrogen fuel cells (e.g., proton exchange membrane (PEM) and other fuel cells) generate electricity from the chemical reaction between pure hydrogen and oxygen, direct carbon fuel cells...

Fuel Cell Technology Runs on Solid Carbon
Briefs : Software
Aircraft Engine Icing Event Avoidance and Mitigation
Aircraft Engine Icing Event Avoidance and Mitigation

Innovators at NASA’s Glenn Research Center have developed a new means of avoiding and mitigating icing events for aircraft flying above 14,000 feet, dramatically improving aviation...

Aircraft Engine Icing Event Avoidance and Mitigation
Briefs : Energy
Thin-Film System Converts Heat from Electronics into Energy
Thin-Film System Converts Heat from Electronics into Energy

Nearly 70 percent of the energy produced in the United States each year is wasted as heat. Much of that heat is less than 100 °C and emanates from things like computers, cars, or...

Thin-Film System Converts Heat from Electronics into Energy
Articles : Automotive
Design of an Energy-Efficient Critical Angle Lens Reflector
Design of an Energy-Efficient Critical Angle Lens Reflector

The critical angle lens reflector has commercial applications that supersede ordinary mirrored reflectors. The physics of the critical angle lens reflector are based on the optics...

Design of an Energy-Efficient Critical Angle Lens Reflector
Briefs : Photonics/Optics
Integrated Silicon Photonic Switch Demonstrates Lowest Signal Loss Ever in High-Speed Data Transmission
Integrated Silicon Photonic Switch Demonstrates Lowest Signal Loss Ever in High-Speed Data Transmission

Experimental photonic switches developed at UC Berkeley have shown promise toward the goal of fully optical, high-capacity switching for...

Integrated Silicon Photonic Switch Demonstrates Lowest Signal Loss Ever in High-Speed Data Transmission
Blog : Energy
How to Produce More Clean Water? Resemble the Rose.
How to Produce More Clean Water? Resemble the Rose.
A new water purifier works better because it takes the shape of the rose.
How to Produce More Clean Water? Resemble the Rose.
News : Test & Measurement
Engineers Develop Concept for Hybrid Heavy-Duty Trucks
Engineers Develop Concept for Hybrid Heavy-Duty Trucks

Heavy-duty trucks, such as the 18-wheelers that transport many of the world's goods from farm or factory to market, are virtually all powered by diesel engines. They account for a...

Engineers Develop Concept for Hybrid Heavy-Duty Trucks
News : Sensors/Data Acquisition
Next-Generation, Low-Cost Stop Sign Improves Driver Safety
Next-Generation, Low-Cost Stop Sign Improves Driver Safety

It's dark on the back road as a motorist speeds toward the intersection. Up ahead, the stop sign blends with the night and in seconds a deadly crash occurs. According to the U.S....

Next-Generation, Low-Cost Stop Sign Improves Driver Safety
News : Energy
Renewable Oils for Use in Lubricants Synthesized

Engine gears, plane thrusters, refrigerator compressors, wind turbines – the list of important industrial machinery, agricultural equipment, transportation vessels, and home applications that depend on lubricants might be endless. These slick substances quite literally keep the world turning,...

Special Reports : Automotive
Vehicle Electrification

Demand for electric vehicles is accelerating, with several major automakers announcing that their entire lineups will either be hybrid or all-electric by the 2020's. To help you keep pace with the rapid changes in vehicle electrification technology, we present this compendium of recent articles from the editors of...

Briefs : Semiconductors & ICs
Using Laser Metal Printing to Cool Computer Chips

Traditionally, electronics are cooled using a heat sink that transfers the heat generated by the electronic system into the air or a liquid coolant. For the heat sink to work, it has to be attached to the CPU or the graphics processor via a thermal interface material such as thermal paste. It...

Briefs : Energy
Wood-Based Technology Creates Electricity from Heat

Researchers have transformed a piece of wood into a flexible membrane that generates energy from the same type of electric current (ions) on which the human body runs. This energy is generated using charged channel walls and other unique properties of the wood’s natural nanostructures. With...

Briefs : Energy
Generating Electrical Power from Waste Heat
Generating Electrical Power from Waste Heat

Directly converting electrical power to heat is easy; however, converting heat into electrical power is not as easy. To address this issue, a tiny silicon-based device was developed that can...

Generating Electrical Power from Waste Heat
Briefs : Manufacturing & Prototyping
One-Pot Bioconversion of Distiller’s Grains to Advanced Biofuels
One-Pot Bioconversion of Distiller’s Grains to Advanced Biofuels

Increase in bioethanol production throughout the US has led to an increase in the process coproduct — distiller’s grains with solubles (DGS). DGS can be used to feed...

One-Pot Bioconversion of Distiller’s Grains to Advanced Biofuels
Briefs : Wearables
Self-Powered, Washable, Wearable Displays

Clothing usually is formed with textiles and has to be both wearable and washable for daily use; however, smart clothing has had a problem with its power sources and moisture permeability, which causes the devices to malfunction. To solve this problem, a textile-based, wearable display module technology...

Briefs : Materials
Material Could Make Plastic Manufacturing More Energy-Efficient
Material Could Make Plastic Manufacturing More Energy-Efficient

Anew material was developed that can extract the key ingredient in the most common form of plastic from a mixture of other chemicals while consuming far less energy than usual....

Material Could Make Plastic Manufacturing More Energy-Efficient
Articles : Lighting Technology
LED Lighting Improves Efficiency and Imaging
LED Lighting Improves Efficiency and Imaging

Rocket engine testing requires a lot of light since all tests are filmed with high-speed cameras to monitor performance; however, those cameras have to adjust to the bright plume from a firing...

LED Lighting Improves Efficiency and Imaging
Application Briefs : Imaging
Improving Vehicle Fuel Economy with ADAS
Improving Vehicle Fuel Economy with ADAS

Fuel economy is a key factor in worldwide energy-consumption. One way to improve fuel economy is using driver feedback to promote efficient habits (eco-driving). Emerging research is looking into...

Improving Vehicle Fuel Economy with ADAS
Blog : Data Acquisition
Energy Monitor Helps Coast Guard Find Faulty Electrics on Board
Energy Monitor Helps Coast Guard Find Faulty Electrics on Board
The MIT system can monitor the behavior of electronic devices within a building, a factory – and even a 270-foot Coast Guard cutter.
Energy Monitor Helps Coast Guard Find Faulty Electrics on Board
Blog : Energy
High-Speed Jet Mixer Efficiently Turns Algae into Fuel
High-Speed Jet Mixer Efficiently Turns Algae into Fuel
A new technology may lead to a more mainstream use of algal biofuels.
High-Speed Jet Mixer Efficiently Turns Algae into Fuel
Briefs : Propulsion
New Engine Optics to Fuel Future Research
New Engine Optics to Fuel Future Research

An optical setup developed by researchers at Sandia's Combustion Research Facility and the Technical University of Denmark can now quantify the formation of soot — particulate matter consisting...

New Engine Optics to Fuel Future Research
Q&A : Materials
Q&A: Columbia University’s Jyotirmoy Mandal Creates a Cooling Polymer

Mandal, along with Professors Yuan Yang and Nanfang Yu, built upon earlier work demonstrating that many simple plastics and polymers are excellent heat radiators that could be used for passive radiative daytime cooling (PRDC). Their challenge was to get these normally...

Briefs : Energy
Self-Powering Sensor Using a Nano-Energy Harvester
Self-Powering Sensor Using a Nano-Energy Harvester

Existing nanosensor technologies depend on an external power source (typically a battery) to operate. Chemical and biological sensors based on nanowire or nanotube technologies exhibit...

Self-Powering Sensor Using a Nano-Energy Harvester
Briefs : Photonics/Optics
Ancient Pigment Can Boost Energy Efficiency
Ancient Pigment Can Boost Energy Efficiency

Egyptian blue, derived from calcium copper silicate, was routinely used on ancient depictions of gods and royalty. Previous studies have shown that when Egyptian blue absorbs visible light, it then...

Ancient Pigment Can Boost Energy Efficiency