Wind power could soon come from the sky as China has successfully tested a megawatt-class airborne turbine that generates electricity while hovering 2000 metres up. View on euronews ...
High above the streets of Yibin City in southwest China, a helium-filled airship shaped like a streamlined Zeppelin has ...
The world's first megawatt-class high-altitude wind power system designed for urban deployment—the S2000 Stratosphere ...