From the monthly archives:

April 2007

New Rooftop Wind Turbine Tested: The Helyx

April 30, 2007

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 [...]

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German Town Will Soon Use 100% Renewable Power

April 29, 2007

There’s a small town in Germany called Dardesheim, that relies almost entirely on renewable sources for its energy needs. The town’s goal is to use 100% renewable power, and become known as German’s “Town of Renewable Energies”. Dardesheim already has some huge wind turbines in place, and many solar roofs installed. Last year they installed [...]

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The Solar Ark: A Unique Solar Building In Japan

April 28, 2007

In Gifu Prefecture, Japan, there is an unusual solar building called the Solar Ark, built by Sanyo. It’s one of the most impressive solar buildings in the world. Passengers on high-speed bullet trains can’t help but notice the edifice as they ride past on a nearby railway line. The building was built to symbolize the [...]

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Ghostrider Bike + Xtracycle = Efficient

April 26, 2007

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 Glass and Concentrators In Switzerland

April 24, 2007

Here is an installation of solar glass and fresnel concentrators in Switzerland.

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Solar Building Automatically Shades Itself From The Sun

April 24, 2007

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 [...]

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High Speed Trains For The U.S.

April 24, 2007

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 [...]

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WindSpire: An Attractive Wind Turbine For The Home

April 23, 2007

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, [...]

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The Largest Solar Roof In The World: Floriade Hall

April 23, 2007

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 [...]

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The Largest Wind Farm In The World: Horse Hollow

April 23, 2007

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.

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New Plastic Solar Cells Mimic The Veins In Tree Leaves

April 22, 2007

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 [...]

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Aerorider: A Sporty Electric Trike

April 21, 2007

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 [...]

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Flexible Solar Cells: SolarRolls by Bruton

April 20, 2007

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. [...]

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Wal-Mart and Home Depot Tout Green Products

April 20, 2007

Wal-Mart launched a national ad campaign Wednesday touting environmentally friendly products like light bulbs and organic cotton pajamas, part of what analysts call a move by major retailers to test exactly how much demand there is from “green” consumers.

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Video: View From A Wind Turbine

April 20, 2007

In the town of Swaffham (love that name), England, they have one the few wind turbines in the world that features an observation tower. It’s open to the public, so Newconsumer.TV went inside to climb the turbine, and take a look.
Last week, the EU committed Europe to producing 20 per cent of its energy from [...]

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Skyscraper Gets Covered In 7000 Solar Panels

April 19, 2007

The facade of this Manchester skyscraper (owned by CIS, an insurance company) was original covered with small mosaic tiles, but after only six months, they began to detach and fall. A solution was needed, and a company called solarcentury came up with a clever idea replacing the failing tiles with solar cells.

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Loopwing Wind Turbine At Japanese Tradeshow

April 19, 2007

I first saw the Loopwing wind turbine last year. Lately, the company has been showing it off in trade show across Japan. There’s still no solid data on this turbine, but the design is certain intriguing — I’m keeping my eye on this one. Here’s what the Loopwing website says about the turbine: it’s a [...]

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Elite Solar Windows In Hong Kong School

April 17, 2007

This school in Hong Kong is a great example of how solar cells can be incorporated into a building. It’s a primary school — the CCC Kei Wai Primary School on Ma Wan island. It was built to show students the potential of photovoltaic architecture. The roof has solar panels on top, and the [...]

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Rooftop Wind Turbines Ready For Commercial Use

April 16, 2007

Note: Images and Video © Lucid Dream Productions
Wind turbines designed to be installed on rooftops are generating a lot interest lately. These compact turbines can be located on top of buildings, or attached to other parts of large structures like bridges. In turns out, though, that installing wind turbine in a city environment is [...]

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Amazing Green Building: The ACROS Fukuoka

April 13, 2007

In Fukuoka City in Japan, they have an amazing building called “ACROS Fukuoka” with two very distinct sides: one side looks like a conventional office building with glass walls, but on the other side there is a huge terraced roof that merges with a park. The garden terraces, which reach up to about 60 meters [...]

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