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New Light Bulb Efficiency Guidelines

There has been much discussion in the media lately (including a fair amount of misinformation) regarding the phase-out of traditional incandescent light bulbs in the United States.  Read on to separate the reality from the hype, and to learn more about efficient lighting technologies that will save energy and cut your power bills.

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Wind Power Gains Speed: Efficient, Clean, Endless Energy Source

Wind power produces no pollutants like carbon dioxide, and it requires no input of water or fuel resources, making wind one of the planet’s cleanest and most abundant sources of renewable energy.  And it’s been front-page news in recent weeks:  the Thanet Offshore Wind Farm in England officially began operations in September, becoming the largest such project in the world.  …

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TED 5000 Household Power Meter – Improve Home Energy Efficiency

It’s no secret that cutting your household energy consumption is a great way to reduce your environmental footprint. It’s also a great way to save money on your utility bills. But to pinpoint the best places to reduce power use, you need to know exactly where your power is going – no small task considering the number of devices, appliances, …

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Kite Gen: The Future Of Wind Power?

Wind power holds great promise as a clean energy source, but current windmill generators aren’t appropriate for all locations.  Italian firm Kite Gen hopes to change that with its innovative new generator designs, which use “kites” to capture strong high-altitude winds.

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Falcon Wind Turbine: Versatile & Efficient Power Generation

Innovative Windpower AG, a German manufacturer of wind turbines, has developed the Falcon 1.25 MW model to be the most efficient and versatile wind turbine ever created.  It is designed for use in challenging new locations as well as existing wind farms, with substantial advantages over competitors in both its construction process and operation.

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Update: Bank Of America Tower, Greenest Skyscraper In The U.S.

A while back, MetaEfficient profiled what could be the greenest skyscraper in America, the Bank of America Tower in New York City. Located in midtown Manhattan at One Bryant Park, the 945-foot tall, 55-story structure is scheduled to open later this year. Here’s a closer look at some of the groundbreaking features that should help the building earn a coveted …

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AC Propulsion Converts Cars To Electric Power

[vimeo]http://vimeo.com/3523593[/vimeo] Here’s a video from a company called AC Propulsion, showing how straightforward it is to convert your car to electric power.

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Irish Firm Claims World’s Most Efficient Solar Heater

An Irish company, Surface Power, has launched what could be the most efficient solar hot water panel ever produced. The company says it plans to distribute its product internationally. The new solar panel was independently certified by TUV Rhineland. Their tests verified that when compared to other solar panels, Surface Power’s solar panel was in one case as much as …

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The PowerGorilla: Flexible Portable Power

I’ve been testing a device that just been introduced called the PowerGorilla. It’s a portable power pack that acts an emergency back-up charger for your laptop computer other other electronic gadgets. The battery inside the PowerGorilla is a lithium-ion and weighs just 631 grams (1.4 pounds). The charger will give you an extra 2-5 hours of power, depending on your …

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Highly Efficient House Uses 80% Less Power and Water

I have to mention this highly optimal house recently completed in California. Jetson Green has all the details, so I won’t repeat them here. Basically, the Margarido House is on its way to being the first home the nation that’s both LEED-H certified and GreenPoint rated. I’m impressed by how many green elements are incorporated in this house, while still …

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A Portable Kinetic Motion Charger

A company called M2E Power has announced plans today to release a charger that will powered by kinetic motion. The released date is expected to be next summer. The charger derives power from the motion of walking, jogging, cycling, or driving. Six hours of motion provides 30 to 60 minutes of charging power. It will be priced between $25 and …

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SolarDucts: Heating Air and Generating Power

Solar energy is often used to heat water or generate electricity, but it can also be used to heat air. The SolarDuct is a new device that uses sunlight to heat air before it enter a ventilator. They are modular units that can be installed on buildings with flat roofs.

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How To Convert Your Car To An Electric Vehicle

Gasoline-powered cars are perhaps the most inefficient devices that many of us use daily. The internal combustion engine is inefficient in term of pollution, gas costs and maintenance costs. Electric motors are comparatively simple devices that do not require much maintenance at all. But, as you may know, it’s difficult to obtain an commercial electric car today. One option is …

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Korean Village Runs On 100% Solar Power

The Korean village Donggwang gets 100% of its power from the sun. The village is located on the semi-tropical island of Jeju-do. Near the village, Halla Mountain, a volcano and the tallest mountain in South Korea, rises from the island’s center amidst a patchwork of small farms. The village’s forty houses and the school all have large solar panels covering …

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Airship Wind Turbine Tested

Magenn Power has been testing its airship-based wind turbines— the company hopes to prove that its “air rotor system” will work. The Canadian startup has named the system MARS. It consists of a blimp that is tethered to the ground, and rotates horizontally in the wind, generating electricity. According to Greentech Media, the blimp is designed to float between 600 …

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$3 Billion Solar Power Deal Signed By California Utility

Pacific Gas & Electric today will announce a deal to buy as much as 900 megawatts of electricity. It will be enough to power 540,000 California homes each year, and involve the construction of five solar power plants during the next decade. The company to build the solar-thermal power plants in the Mojave Desert is BrightSource Energy.

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German Parliment To Use 100% Renewable Power

The German Reichstag is expected to become the greenest parliament building in the world, thanks to a decision to rely solely on renewable energy. From late summer the building is due to swap to green power sources such as water, wind and solar energy, replacing the conventional power that it has largely relied upon until now.

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Stunning Solar Building Will Generate More Power Than It Needs

The Masdar Headquarters building will produce more power than it needs (an energy positive building). In fact, the solar roof (one of the largest in the world) will be constructed first, and it will power the construction of the rest of the building. The video link on this page has a great view of the sun-infused interior.

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Windspire: Propeller-Free Household Turbine Gets Approval

We just featured the largest wind turbine in the world, now here’s something at the opposite end of the spectrum: a household wind turbine. In the last few years, we’ve seen a lot of mini-wind turbines that haven’t turned out to be very useful. But the Windspire turbine from Mariah Power sounds interesting. The Windspire has a propeller-free vertical-axis design, …