Ghostrider Bike + Xtracycle = Efficient

by Justin Thomas •

This bike is an Electra Ghostrider modified to add an Xtracycle FreeRadical on the back. We featured the Xtracycle previously here. Found via Bike Rubbish. Sweet ride.

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Solar Building Automatically Shades Itself From The Sun

by Justin Thomas •

The Devonshire Building is a solar building, that automatically opens and closes banks of shades on it’s south facing façade. The intelligent system tracks the amount of sunlight entering the windows, and takes into account the time of day and season. The key architectural aim was to design a building that would incorporate as much natural daylight as physically possible. …

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High Speed Trains For The U.S.

by Justin Thomas •

We are exchanging post with the Ecotality blog today. This post looks at Europe’s expanding high speed rail systems: While America’s leaders fiddle around and our rail seems to go down in flames, Europe is strengthening its rail system. Two interrelated items to consider: High-Speed Trains are expanding in Europe and are cutting travel times, and European train systems are …

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WindSpire: An Attractive Wind Turbine For The Home

by Justin Thomas •

A Nevadan company, Mariah Power, has launched a unique wind turbine for the home, called the WindSpire. The turbine is rated at 1 kilowatt, and it has a thin design — it’s only two feet wide, but 20 feet tall (see a photo here). The color is also customizable — suggested colors are: Milky White, Forest Green, Sky Blue, Stop …

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The Largest Solar Roof In The World: Floriade Hall

by Justin Thomas •

The solar roof at the Floriade Exhibition Hall in the Netherlands still holds the record as the largest of its kind in the world. The roof is comprised of 20,000 semi-transparent solar modules, and it has a surface area of 28,000 square meters (almost 7 acres). It acts as one gigantic solar panel, and generating 2.3 megawatts of power. The …

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The Largest Wind Farm In The World: Horse Hollow

by Justin Thomas •

What is the largest wind farm in the world? Well, right now it’s the Horse Hollow Wind Energy Center in Texas. This wind farm has 421 wind turbines that generate a total capacity of 735 megawatts. The wind turbines are spread across 47,000 acres of land in Taylor and Nolan County, Texas.

New Plastic Solar Cells Mimic The Veins In Tree Leaves

by Justin Thomas •

Researchers at Wake Forest University have announced they they have created plastic solar cells with an efficiency of 6%. Researchers say that have achieved record efficiency for organic or flexible, plastic solar cells by creating “nano-filaments” within light absorbing plastic, similar to the veins in tree leaves. This allows for the use of thicker absorbing layers in the devices, which …

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Aerorider: A Sporty Electric Trike

by Justin Thomas •

From Amsterdam comes this sleek and aerodynamic electric trike. The Aerorider is a fully enclosed (and ventilated) semi-recumbent trike that comes an electric-assist drive. It has a 28 mph cruise speed, and the ability to overcome hills without breaking into a sweat. The single bucket seat supports your entire body placing you in a position to comfortably focus on pedaling. …

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Flexible Solar Cells: SolarRolls by Bruton

by Justin Thomas •

Brunton makes a range of flexible solar cells they call SolarRolls. These weather-proof solar cells can be rolled up quite tightly, and attached to a backpack. Seen here is a 14W model — it produces DC power even during low light conditions. SolarRolls come with a range of plugs, including a standard car lighter socket. They can also be attached …