These Wind Energy Innovations Failed to Launch Commercially! Why?

This video explored some of the wind energy innovations that failed to launch commercially.
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#windenergy

[@marwerno]

3 and 5 are duplication of the same technology and I believe are still further investigated.
The others: even a none engineer can see the mechanical challenges that these contraptions would have or the inefficiencies of channeling the wind.

[@robertnitschke89]

I can't stand Ai voices.

[@bienvenidochambimamani3857]

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