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Lifting mechanism for mounting huge rotor blades

Siemens has created a special mechanism for mounting its 75-meter-long rotor blades for offshore wind farms. The lifting system makes assembly work safer and lets construction take place at higher wind speeds ...

dateSep 25, 2014 in Engineering
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High bat mortality from wind turbines

A new estimate of bat deaths caused by wind turbines concludes that more than 600,000 of the mammals likely died this way in 2012 in the contiguous United States. The estimate, published in an article in BioScience, used s ...

dateNov 08, 2013 in Plants & Animals
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House panel subpoenas on wind power, eagle deaths

House Republicans are seeking to compel the Obama administration to turn over uncensored, internal documents related to its enforcement of environmental laws at wind farms where eagles and other protected birds have been ...

dateMar 12, 2014 in Ecology
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Clean power from waste heat

Siemens has developed a technology to use waste heat, which previously had gone unused, to generate electricity. The solution employs silicone oils, which have a lower enthalpy of vaporization than water, ...

dateJun 05, 2014 in Energy & Green Tech
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Wind farms get pass on eagle deaths

It's the not-so-green secret of the nation's wind-energy boom: Spinning turbines are killing thousands of federally protected birds, including eagles, each year.

dateMay 14, 2013 in Ecology
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Wind turbine maker Vestas posts higher sales

Vestas, the world's top wind turbine maker, said Wednesday it was seeing the fruits of an extensive restructuring programme as it announced an annual loss but said quarterly sales were higher.

dateFeb 06, 2013 in Business
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Energy from the windy heights

The electricity from our sockets could soon come from a high-tech device flying in the sky. The innovative research project to generate wind energy with the aid of a kite won over the "Venture Kick" jury; ...

dateJun 14, 2013 in Energy & Green Tech
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