Advertisement
The Efficiency Zone
Subscribe to The Efficiency Zone
View Sample

FREE Email Newsletter

Leaders say momentum building on climate change

December 1, 2009 3:56 am | News | Comments

Leaders of the Commonwealth countries called Saturday for a legally binding international agreement on climate change and a global fund with billions of dollars to help poor countries meet its mandates. The 53-nation meeting was the largest gathering of international leaders before next month's global climate summit in Copenhagen.

Energy Efficiency Can Be at the Top of Your Shopping List

November 30, 2009 1:54 pm | by Energy Savers Blog | Blogs | Comments

I don't know about you, but about the last thing I want this year for the holidays is another mustard-yellow sweater. Sure, it's nice to have some extra-warm clothes stashed in the top drawer of the dresser this time of year, but I'm clearly maxed-out in the

NREL Uncovers Clean Energy Leaders State by State

November 30, 2009 10:57 am | by National Renewable Energy Laboratory | News | Comments

That California and Texas still lead the United States in generating renewable energy probably is no surprise. But, NREL's 2009 State of the States report shows that several smaller states from Maine to Louisiana to Utah are closing the clean energy gap, confirming that every state has...

Advertisement

Norway opens world's first osmotic power plant

November 30, 2009 5:33 am | by Wojciech Moskwa | News | Comments

Norway opened on Tuesday the world's first osmotic power plant, which produces emissions-free electricity by mixing fresh water and sea water through a special membrane.  State-owned utility Statkraft's prototype plant, which for now will produce a tiny 2-4 kilowatts of power or enough to run a coffee machine, will enable Statkraft to test and develop the technology needed to drive down production costs.

Green Living, Green Technologies: Things to Be Thankful For

November 24, 2009 4:53 am | by Energy Savers Blog | Blogs | Comments

It's nearly Thanksgiving, the second of the "big" holidays that break up the last three months of the year. One of the most common family traditions is listing the things for which we are thankful. These are mostly items such as "family," "friends" or "good

Tips to Green Your Home

November 23, 2009 12:52 pm | by Energy Savers Blog | Blogs | Comments

Last week, the Environmental Protection Agency announced its new green homes Web site. The site provides an interactive experience that helps people

Do You Buy Clean Electricity From Your Utility?

November 19, 2009 4:52 am | by Energy Savers Blog | Blogs | Comments

This week, John discussed buying clean electricity from your utility. If you can't set up a small renewable energy system of your own, buying clean electricity is a great way to support the use of renewable energy.

Building Panels Protect, Provide Comfort

November 18, 2009 6:02 am | Product Releases | Comments

The exterior skin of NREL's newest building will do more than keep the weather out. The concrete panels actually will be part of the Research Support Facilities' heating and cooling system. It's an old idea brought back to life in the name of energy efficiency.

Advertisement

Eco-Friendly SUV Gets a Hydrogen Mileage Boost

November 18, 2009 6:02 am | Product Releases | Comments

Driving hydrogen fueled SUVs for 431 miles per fill-up is no longer a California dream. Researchers from NREL and Toyota recently completed a 331 mile round trip drive between Torrance and San Diego in two Toyota Highlander Fuel Cell Hybrid Vehicles. And, with the fuel remaining, those...

Coffee chain adopts LED lighting

November 12, 2009 11:32 am | by Jason Lomberg, Technical Editor | Articles | Comments

A certain eco-conscious purveyor of roasted beans (rhymes with dar-nucks) has announced plans to adopt solid state lighting in more than 8,000 stores by the end of next year. Utilizing GE lighting solutions, Starbucks has already “converted” more than 1,000 U.S. locations, with plans to address the international market in March 2010.

Russia to ban incandescent bulbs

October 16, 2009 10:31 am | by Jason Lomberg, Technical Editor | Blogs | Comments

Russia has jumped on the CFL bandwagon, and decided to ban the incandescent bulb. As of January 1, 2014, the manufacture and sale of all incandescent bulbs will be prohibited in Russia.

CEC holds hearing on TV regulations

October 15, 2009 8:55 am | by Jason Lomberg, Technical Editor | Blogs | Comments

Back in March, we reported on the California Energy Commission’s proposal to set a cap on the maximum active mode power usage (watts) for TV’s. All units above the maximum would be banned for sale in California—this would preclude the vast majority of Plasma, DLP, and Rear-projection TV’s.

George Soros to invest $1 billion in “green tech”

October 13, 2009 6:00 am | by Jason Lomberg, Technical Editor | Blogs | Comments

Earlier, we reported that global investments in renewable energy had dipped 40% from 2008-09—thus, the following comes as welcome news. George Soros has decided to invest $1 billion of his own money into “green technologies.” Soros issued a clear directive on how his money ought to be spent

Advertisement

Testing Wind Turbines To Power Cell Phone Towers

October 12, 2009 4:32 am | Blogs | Comments

Helix Wind Corporation gave an update today on its efforts to provide cost-effective renewable energy solutions to telecommunications companies. Helix’s wind turbines can lower the costs of operating expenses associated with cell phone towers in remote locations.

Institute unveils efficient redox flow battery

October 9, 2009 10:09 am | by Jason Lomberg, Technical Editor | Blogs | Comments

The Fraunhofer Institute for Chemical Technology (ICT) has developed a redox flow battery that could become the gold standard in Advanced Technology Vehicles. If the claims hold up, this battery would be a true breakthrough. There’s nothing revolutionary about the concept of redox flow batteries.

Israelis bring green power to West Bank village

October 9, 2009 5:41 am | Blogs | Comments

Residents of a West Bank village with no electricity have been helped out of the darkness by unlikely benefactors - a group of Israelis who installed solar panels and wind turbines to illuminate the Palestinians' makeshift homes. The villagers of Susya live in tents and caves with power lines darting right above their dwellings

Climate watch: choosing Kyoto's successor

October 8, 2009 12:23 pm | by Jason Lomberg, Technical Editor | Blogs | Comments

Global investments in renewable energy technology dipped 40% from 2008-09—this according to United Nations Industrial Development Organization Director, General Kandeh Yumkella. “Due to the current economic crisis we have seen almost a 40 percent decline in 2009 alone in these investments,” said Yumkella at a global conference on green energy in central Mexico.

EPA’s Energy Star Label Now Available for Four Types of Glass and Food Processing Plants

October 7, 2009 7:31 am | Blogs | Comments

From strawberry jam jars to frozen french fries, the manufacturing plants that make several well-known container and food items in the United States can now earn the U.S. Environmental Protection Agency’s Energy Star for superior energy efficiency. The new Energy Performance Indicators (EPIs) for flat and container glass manufacturing plants

OLED Display Technology and Capabilities

October 6, 2009 10:20 am | by Oliver Nachbaur, Systems Engineering Manager – Display Power, Texas Instruments | Blogs | Comments

The organic light emitting diode (OLED) display is becoming more and more popular, especially for mobile phones, media player and small entry level TVs. Contrary to a standard liquid crystal display, the OLED pixel is driven by a current source. To understand how and why the OLED power supply impacts the display picture quality, it is key to understand the OLED display technology and power supply requirements.

Toshiba to release highly-efficient LED bulbs

October 6, 2009 6:42 am | by Jason Lomberg, Technical Editor | Blogs | Comments

Toshiba will become a big player in optoelectronics—if their lighting division has its druthers. The company will release high-output LED light bulbs with a total flux equivalent to that of a 60 W incandescent lamp. The “natural white” type and the warm white type feature total fluxes of 810 lm and 600 lm, respectively.

Dow to Sell Solar Roof Shingles

October 6, 2009 5:14 am | by Matt Daily | Blogs | Comments

Dow Chemical Co said on Monday it would begin selling a new rooftop shingle next year that converts sunlight into electricity -- and could generate $5 billion in revenue by 2015 for the company. The new solar shingles can be integrated into rooftops with standard asphalt shingles, Dow said, and will be introduced in 2010 before a wider roll-out in 2011.

Ohio State University takes first place at 2009 EcoCAR competition

September 30, 2009 9:25 am | by Jason Lomberg, Technical Editor | Blogs | Comments

OSU has earned top honors at the 2009 finals of the Year One EcoCar competition. The OSU stable bested 16 other teams with their “Extended Range Electric Vehicle” design. The spiritual successor to Challenge X, EcoCar is a three-year collegiate advanced vehicle technology engineering competition

Company demonstrates world’s first nitride-silicon solar cell

September 30, 2009 5:39 am | by Jason Lomberg, Technical Editor | Blogs | Comments

RoseStreet Labs Energy (RSLE) has created what they assert to be the world’s first tandem nitride/silicon solar cell. RSLE combined a silicon solar cell with a Nitride Thin Film to create their hybrid photovoltaic cell. According to RSLE, this hybrid will achieve “practical efficiencies” of 25-30% (typical efficiencies range from 12-20%).

Japanese companies forced to subsidize national solar power program

September 28, 2009 7:52 am | by by Jason Lomberg, Technical Editor | Blogs | Comments

Japanese companies are being forced to foot the bill for an ambitious new national solar power program.  According to Alpha Solar, “the government will oblige all Japanese companies to purchase excessive amount of energy and pay the double price to help installing solar panels.” The total “obligation” equals 9 billion Yen, and this will filter down to the consumer.

Phillips recognized as first entrant in DOE lighting competition

September 25, 2009 10:36 am | Blogs | Comments

Phillips has been recognized as the first entrant in the Department of Energy’s Bright Tomorrow Lighting Prize (L Prize) competition. Intended to spur development of efficient LED replacements for incandescent bulbs, L Prize comes with a handsome reward--$10 million to the first group or individual to develop a 60 W replacement.

X
You may login with either your assigned username or your e-mail address.
The password field is case sensitive.
Loading