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U.S. To Phase Out Incandescent Light Bulbs

by Justin Thomas •

Photo credit: USA today After being passed by Congress, Bush just signed into law a massive energy bill that will, among other things, spell the end of traditional light bulb. USA Today reports that the bill will phase out the venerable (but power-hungry) incandescent bulb over the next dozen years in favor more efficient fluorescent, halogen, and LED bulbs. Specifically, …

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Chicago Center For Green Technology: Sustainable Development Leader

by Benjamin Roman •

Great ideas for sustainable development sometimes just remain abstract concepts – that is, until they’re put into practice where they can serve as a showcase for their real potential.  Such was the case with Chicago’s Center for Green Technology, the country’s first LEED Platinum municipal building – and an inspiration for subsequent development both in Chicago and nationwide.

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New Record: World’s Largest Wind Turbine (7+ Megawatts)

by Justin Thomas •

clipper_wind_turbine_worlds_largest_75megawatts

The world’s largest wind turbine is now the Enercon E-126. This turbine has a rotor diameter of 126 meters (413 feet). The E-126 is a more sophisticated version of the E-112, formerly the world’s largest wind turbine and rated at 6 megawatts. This new turbine is officially rated at 6 megawatts too, but will most likely produce 7+ megawatts (or …

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Micro and Pico Hydropower

by Justin Thomas •

If you own property that has access to a stream or river, and want to produce your own electricity, then Hydropower should be your first choice. The cost of equipment is lower, and the kilowatt per dollar return is much better than any other alternative energy source. The most important element to have when producing hydropower is what is called …

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Solar Powered Air Conditioner Released

by Justin Thomas •

A company called GreenCore Air has released an air conditioner than can be powered by a single 170 watt solar panel. The GreenCore air conditioning unit can heat and cool a 600 square foot room. It runs on DC power, so there is no need to put an AC inverter between the solar panel and the air conditioner. This eliminates …

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New Rooftop Wind Turbine Tested: The Helyx

by Justin Thomas •

Recently, I wrote about the low-profile Aerotecture wind turbines, which are designed to be installed on the rooftops of city buildings. Now I’ve heard of another rooftop wind turbine under development. It’s called the Helyx Wind Generator, and it’s composed of two twisted wings of fiberglass that rotate around a vertical axis. The turbine is also colored bright green, which …

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100% Electric Aptera Unveiled

by Justin Thomas •

I first mentioned the Aptera last year, when it was being test driven. This car’s eye-catching design isn’t just for show — it’s designed to be a very, very efficient vehicle. Just check out the video below you’ll see what I’m talking about: Much like a jet, the shape of the Aptera is designed to be highly aerodynamic.

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Dockside Green Awarded World’s Highest LEED Score

by Justin Thomas •

We featured the innovative Dockside Green community previously on MetaEfficient. Recently, the entire community was certified to be built to Platinum LEED (leadership in energy and environmental design) standards. It was awarded the highest LEED score in the world.

The Bardessono Inn: 93% Of Construction Waste Reused

by Justin Thomas •

In Napa Valley, the newly opened Bardessono Inn and Spa is perhaps the greenest luxury hotel in the country. There are several innovative features that make Bardessono a model for green builders. Perhaps most impressive is the fact that 93 percent of the Bardessono’s construction waste was recycled — an unusally high amount. Materials like wood, steel and paper which …

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An Energy Producing Home In Disguise

by Benjamin Roman •

Who says that a home with cutting-edge energy efficiency has to look like an ultra-modern pod? This recently completed Wisconsin home packs so much energy tech that it makes money by selling electricity back to the grid, and it still keeps a low neighborhood profile.