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What is the most efficient design for a wind generator?

It seems as if every week, a new wind generator innovation is unveiled, sometimes in technology blogs, sometimes in TV segments, once even on TED Talks.  They all claim to be better than the iconic,...

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Why aren’t vertical-axis wind turbines more popular?

Some groups and individuals tout alternative technologies for wind generation, especially vertical- as opposed to the horizontal-axis wind turbines normally used.  They make a variety of claims about...

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Sarah Laurie: doctoring the truth about wind power

Sarah Laurie* is CEO and primary spokesperson for the Waubra Foundation, an anti-wind energy campaigning group based a long way from Waubra with tight links to Australia’s fossil fuels industry and...

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Good and bad bets: new wind technologies rated

How do specific new wind energy innovations and products stack up? This post looks at nine technologies and companies that have been in the press recently and assesses whether they are good bets or...

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Windstrument: another off-key wind energy ‘innovation’

On Quora recently, someone asked “Windstrument – yet another revolutionary wind turbine. Have they got it right?“. I answered, there and have reposted my answer here. I have a set of 13 questions I...

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Vertical axis wind turbines aren’t replacing horizontal axis offshore turbines

Over the past few months, an interesting wrinkle on the vertical-axis-wind-turbines-are-better mythology has surfaced: that they are superior offshore and that many countries are investing heavily in...

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