Environment

Improving Water Quality With Algae

According to an Agricultural Research Service (ARS) scientist, algae could remove nitrogen and phosphorus in livestock manure runoff - giving resource managers an eco-friendly option for reducing the level...

$33 Million in Funding for Biomass R&D

The U.S. Departments of Energy (DOE) and Agriculture (USDA) jointly announced up to $33 million in funding for research and development of technologies and processes to produce biofuels, bioenergy, and...

Hermetic Feedthroughs: A Critical Component in New Flywheel Energy Storage Solutions

The phrase “everything old is new again” certainly applies to today’s flywheel technology. Forget the mechanical bearing, standard atmosphere 5,000 RPM...

Purple Bacteria and Photovoltaics

Purple bacteria are single celled microscopic organisms that were among the first life forms on Earth. The tiny organisms live in aquatic environments and use sunlight as their source of energy. Neil Johnson,...

Genetically Engineering Algae for Biodiesel

John Morgan, an associate professor of chemical engineering at Purdue University, is leading a portion of a federally funded effort based at Iowa State University aimed at creating genetically...

Bionic Coating for Fuel-Efficient Ships

The water fern salvinia molesta is extremely hydrophobic, surrounding itself by a flimsy skirt of air that prevents the plant from coming into contact with liquid. This inconspicuous plant could allow...

LED Backlight Driver

Endicott Research Group (Endicott, NY) has introduced a new LED driver that can simultaneously and efficiently power up to 8 strings of high brightness LEDs (HBLEDs) and provides a total 50W of power.

Generating Hydrogen from Water

Researchers with Berkeley Lab and the University of California, Berkeley have discovered an inexpensive metal catalyst that can effectively generate hydrogen gas from water.

Hybrid Energy System

The 5 kW Genverter diesel generator/inverter from WhisperPower (Drachten, The Netherlands) has lower noise levels, fewer emissions, and reduced energy consumption compared to currently available energy systems. The diesel...

Thin Film Absorbers for Solar Cells

Oregon State University researchers have made an important breakthrough in the use of continuous flow microreactors to produce thin film absorbers for solar cells - an innovative technology that could...

Paving the Way for Electromobility

Fraunhofer researchers are engineering wheel hub motors, which are integrated into a car's wheels, and could become the accepted drive concept for electric vehicles. The scientists are testing these and...

LED Power Supply With Dimming Control

New from Power Partners (Hudson, MA) is the PIL40U-C LED power supply, which provides 40W in a compact, IP66 wateproof case. Highly efficient (up to 88%) and with a high power factor rating (0.99 at...

Electrical Current Stemming From Algae

Stanford scientists have harnessed a tiny electrical current from algae cells. They found it at the very source of energy production – photosynthesis - and it may be the first step toward generating...

Moving Toward a Carbon-based Solar Cell

To make large sheets of carbon available for light collection, Indiana University Bloomington chemists have attached what amounts to a 3D bramble patch to each side of the carbon sheet. The scientists...

LED Bulb Replaces Incandescent Bulb

A 40-watt GE Energy Smart® LED bulb from GE Lighting (Cleveland, OH) will be available later this year or early 2011. The new LED bulb is expected to consume only 9 watts, provide a 77 percent energy...

LED Edge-Lighting Solution

Global Lighting Technologies (GLT), Inc. (Brecksville, OH) now offers LED edge-lighting solutions that focus light into a high-performance backlight, or light guide. Because the LEDs are located on the edge of the...

Princeton's Plastics Hold Potential for Lowering Cost of Solar Panels

Princeton University engineers have developed translucent, malleable, and electricity-conducting plastics, which could represent a low-cost alternative to indium tin oxide...

New Path to Solar Energy Via Solid-State Photovoltaics

Berkeley Lab researchers have found a new mechanism by which the photovoltaic effect can take place in semiconductor thin-films. This new route to energy production overcomes the bandgap...

Electrochemical Double Layer Capacitors

New large cell prismatic electrochemical double layer capacitors (EDLC) from Ioxus (Oneonta, NY) are for transportation and utility applications and are lower in cost for the overall system design. The...

The Smallest Superconductor in the World

Scientists have discovered the world’s smallest superconductor - a sheet of four pairs of molecules less than one nanometer wide. The Ohio University-led study provides the first evidence that...

Evolution of the Solid-State Lighting Connector

Keeping pace with emerging solid-state lighting (SSL) applications can be difficult for design engineers, not only from an end-product standpoint, but at the component level as well. Design...

New Alloys Key to Efficient Solar Energy and Lighting

A recent advance by Arizona State University researchers in developing nanowires could lead to more efficient photovoltaic cells as well as better LEDs. ASU electrical engineers are...

Why All The Talk About High-Power LED Technology?

It is in the headlines worldwide. Cities, states, and countries around the globe are transitioning away from traditional lighting and towards newer technologies such as high-power LEDs for...

Revolution in Fasteners Helps Bridge the Gap 
to Greener Vehicles

With auto sales down as much as 40 percent, it can feel to some like the industry is coming apart. But a "revolution in fasteners" may soon help bridge the gap to greener...

Power Conversion for Reduced Cost, Volume, and Weight - and Increased Efficiency

Industry and consumers are increasingly aware of the benefits of efficacious use of metered power, as costs and cost trends increase. Making the right choices...

Check out the March Lighting Technology Ezine

The first issue of Lighting Technology has arrived! This digital magazine is the latest offering from Green Design & Manufacturing, and features articles, tech briefs, applications and more...

Keep Lighting Green from Start to Finish With Proper Packaging and Disposal of Used Fluorescent Lamps

Fluorescent lamps are a popular lighting option for businesses and consumers that are looking for ways to conserve energy and cut down on...

Nanofiber-based Lighting Technology

RTI International developed a polymer nanofiber material with nanoscale properties that provides cost-effective management of visible light in a solid-state lighting device. This video shows prototypes of...

Development of Advanced LED Phosphors by Spray-based Processes for Solid-State Lighting

Luminescent materials were developed using aerosol processes, for making improved LED devices for solid-state lighting. In essence this means improving...