Evacuated Tube Solar Collectors

Evacuated tube solar collectors are very efficient. The efficiency of the evacuated tube solar collector depends mainly on the angle. The main part of the evacuated tube solar collectors is a special vacuum tube, in which is being situated water. The entire design is made on the principle of thermos devices. The vacuum eliminates convection losses and thermal conductivity, reducing the overall collector heat loss to a minimum.

Source: http://www.storehomesolar.com/evacuated-tube-solar-collectors/

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Iceland | a model of geothermal energy development

Iceland, an island country located on the Mid-Atlantic ridge, remote from the European continent and neighbor to Greenland, has developed a strong renewable energy infrastructure spanning decades, based on it’s rich natural geothermal and hydro resources. A unique and diverse landscape of mountains, volcanoes, glaciers, rivers, water falls and over 600 hot springs make up [...]

Source: http://solarhomereview.com/2011/05/19/icelands-geothermal-energy-success/

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Fact-sheet on the Ivanpah Solar Electric Generating System (SEGS)

Fact-sheet on the Ivanpah Solar Electric Generating System (SEGS) Continue reading →

Source: http://ivanpahsolar.com/fact-sheet-on-the-ivanpah-solar-electric-generating-system-segs-2

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Ivanpah Heliostat Assembly Building

Source: http://ivanpahsolar.com/ivanpah-heliostat-assembly-building

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Simple Stirling Engines built from the plans

Occasionally I hear from others who have built the simple Stirling engine from my plans. Most people end up making some kind of modifications to the plans. That’s fine with me, in fact I enjoy seeing how other people solve a problem. The only area where experimentation could be risky (in terms of ending up [...]

Source: http://www.solarheatengines.com/2010/11/17/simple-stirling-engines-built-from-the-plans-2/

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Photo from Ivanpah construction ? April 2011

Photo from Ivanpah construction ? April 2011 Continue reading →

Source: http://ivanpahsolar.com/photos-from-ivanpah-construction

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Afghanistan?s Green Marines Cut Fuel Use by 90 Percent (Wired)

As reported in several articles in Wired Magazine, “The Pentagon recently set ambitious targets to cut its greenhouse gas emissions by a third in 10 years. However, that figure exempts the military?s bases in Iraq and Afghanistan, as well as the jets, ships, and ground vehicles that swallow up 75 percent of the military?s fuel [...]

Source: http://www.purepowerd.com/blog/2011/05/afghanistan%e2%80%99s-green-marines-cut-fuel-use-by-90-percent-wired/

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