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Energy Harvesting for Automotive Applications

May 9, 2011 10:51 am | by Dr. Harry Zervos, Technical Analyst, IDTechEx | Articles | Comments

Energy harvesters do not necessarily make sense in all potential applications where a battery is replaced. Battery technology is continuously advancing and due to volumes achieved, the price points reached are at levels where harvesters cannot compete.

How Do You Finance Energy-Saving Improvements?

May 5, 2011 7:21 am | by Energy Savers Blog | Blogs | Comments

This week, we discussed how consumers are financing solar energy systems and the new PowerSaver pilot loan program, which will help consumers finance energy-saving improvements for their homes. When making home improvements, cost is almost always a consideration, and sometimes upfront...

New fuel from old straw

May 4, 2011 7:03 am | News | Comments

Straw that farmers would normally leave to rot or simply burn is now being turned into second-generation biofuels. At the landmark Inbicon plant in Kalundborg, Denmark, Innovation magazine shows how the newest developments in enzyme and processing technology...

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Watch For New PowerSaver Pilot Loan Program in Your Area

May 3, 2011 4:22 am | by Energy Savers Blog | Blogs | Comments

For anybody who has heard about the many benefits of upgrading your home with an energy efficient water heater or furnace - or has wanted to make simple energy-saving home improvements such as insulating their attic, sealing their ducts, and installing better doors and windows - there may...

How are Homeowners and Businesses Paying for Solar Energy Systems?

May 2, 2011 2:23 pm | by Energy Savers Blog | Blogs | Comments

Editor's Note: This entry has been cross-posted from DOE's Energy Blog.

NREL Adds Giant Wind Turbine to Research Site

April 29, 2011 12:22 pm | by National Renewable Energy Laboratory | News | Comments

New 3 megawatt machine towering over the National Wind Technology Center could lead to more reliable turbines, less expensive power.

This Month on Energy Savers: April 2011

April 29, 2011 4:22 am | by Energy Savers Blog | Blogs | Comments

April has been a busy month for Energy Savers! The biggest draw was Earth Day, which we celebrate all month on the blog and website. Here's a recap of April along with a few other tidbits:

Antarctica's Ice Puts Electric Vehicles to Test

April 29, 2011 2:21 am | by National Renewable Energy Laboratory | News | Comments

If these electric vehicles can survive in Antarctica, they could help establish a fleet to offset fossil fuel use in an environmentally sensitive research area.

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85- to 250-W Medical and IT Power Supplies Reach 92 Percent Efficiency

April 28, 2011 8:29 am | Product Releases | Comments

XP Power launched its AHM Series of external AC/DC power supplies aimed at a broad range of medical and IT applications. The series comprises five single-output ranges of 85-, 100-, 150-, 180- or 250-W output, and provides the popular nominal outputs from +12 to + 48 VDC.

How Do You Ensure Your Ducts Aren't Leaky?

April 28, 2011 4:21 am | by Energy Savers Blog | Blogs | Comments

On Monday, John discussed leaky ducks…err…ducts, and how and why you should make sure they are well-sealed.

Paying Tribute to the Legacy of Earth Day

April 27, 2011 1:26 pm | by Paul Smith, MathWorks, and Tyler Joswick, The Ohio State University | Blogs | Comments

This past Friday marked the 41st Earth Day. The past 40 years have demonstrated the growing global green movement, reinforced each year by Earth Day to celebrate and spread awareness of environmental protection and sustainability. Earth Day’s goals of environmental protection and sustainability are echoed by the EcoCAR Challenge, its organizers, participating student teams, and sponsors.

2010 PV Inverter Market Share Gainers Revealed by IMS Research

April 27, 2011 7:23 am | News | Comments

Power-One was the PV inverter market’s largest share gainer in 2010, moving up to second in the global rankings according to IMS Research’s latest report on the market. The report will also reveal that for the first time all of the top 10 suppliers to the market in 2010 were European...

ZemosLED Launches 80,000 Hour LED Package

April 26, 2011 9:05 am | Product Releases | Comments

ZemosLED has announced the US launch of the patented, 80,000 hour Zemos9090 LED package. The Zemos9090 has seen extensive use in the company's own line of lighting fixtures with extended lifespans, but has not previously been available to third parties as a discrete component.

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How Are You Celebrating Earth Day This Year?

April 25, 2011 11:29 am | by Energy Savers Blog | Blogs | Comments

Tomorrow is Earth Day! We've already written about how you can resolve to make Earth Day last all year, and ways you might encourage your coworkers to save energy for Earth Day. Now that the day is almost here, tell us:

Happy Earth Day 2011!

April 25, 2011 11:28 am | by Energy Savers Blog | Blogs | Comments

Happy Earth Day! Today, April 22, marks the 41st anniversary of Earth Day. Check out these resources from the Department of Energy to help you celebrate, get in the Earth Day spirit, and take action:

U.S. Threatened by Leaky Ducks!

April 25, 2011 11:28 am | by Energy Savers Blog | Blogs | Comments

One of the DOE building experts I worked with back in the early 1990s stated that a major energy problem facing the nation was leaking ducts (although it sure sounded like "ducks"). He was referring, of course, to the ductwork that most of our homes have to distribute the hot air in...

Intense Interest in Energy Harvesting for Electric Vehicles

April 20, 2011 8:51 am | by Dr Peter Harrop, Chairman, IDTechEx | News | Comments

Two forthcoming events in Germany reflect the intense interest in energy harvesting for electric vehicles. Energy Harvesting & Storage Europe 2011, 21-22 June covers many forms of harvesting for other applications as well and drills into the technology...

CMOS Digital Isolators Provide Data Protection for Smart Meters

April 18, 2011 5:43 am | by Rudye McGlothlin, Product Manager, Isolation Products, Silicon Labs | Articles | Comments

The smart meter market is projected to grow by double digits over the next several years as consumers upgrade from traditional electromechanical meters. Smart meters use the latest integrated circuit (IC) technology to accurately measure and report the amount of power consumed.

Smarter Power for Smart Meters

April 15, 2011 12:18 pm | by Tom Larsen, Strategic Market Development Manager, Palladium Energy | Articles | Comments

Since the smart grid was first implemented in Italy in 2005, municipal governments in American cities, such as Austin, TX and Boulder, CO have started switching to smart meters in order to save energy, reduce costs and increase reliability and transparency.

LED Control IC Increases Efficiency, Simplifies Design

April 14, 2011 7:24 am | International Rectifier | Product Releases | Comments

International Rectifier today introduced the IRS2548D Switched Mode Power Supply (SMPS) control IC for energy efficient applications for high power Light Emitting Diode (LED) illumination including LED street lighting, stadium lighting and theatrical lighting.

U.S. Postal Service Consolidates Data Centers, Saves Energy

April 12, 2011 6:10 am | News | Comments

Compu Dynamics, LLC (www.compu-dynamics.com) today announces that it has been selected by the U.S. Postal Service Office of Inspector General (USPS OIG) to consolidate four of its data centers into one new state-of-the-art facility.

Ensuring Optimal High Power LED Performance with Thermal Management

April 11, 2011 5:40 am | by Jon Domingo, Product Development Engineer, Lumex | Articles | Comments

Distinguishing quality high power LEDs from inferior technologies most frequently centers on identifying products designed with superior thermal management to avoid loss in efficacy, decreased life hours, and color degradation.

PV Incubator Pushes Solar Innovations

April 9, 2011 6:26 pm | by National Renewable Energy Laboratory | News | Comments

Aggressive NREL program prods start-up companies to dramatically lower the cost of solar electricity through game-changing technologies.

Algorithm Positions Solar Trackers, Movie Stars

April 9, 2011 6:26 pm | by National Renewable Energy Laboratory | News | Comments

NREL researchers work out a way to predict the sun's position with unmatched precision over 8,000 years.

NREL Helping the Army Be as Green as it Can Be

April 9, 2011 6:26 pm | by National Renewable Energy Laboratory | News | Comments

NREL is helping the U.S. Army with a new program that will have installations across the country "greening" all the way to net zero.

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