High-altitude airship-like machine has passed its first test after being flown at 2,000 meters and plugged into the national ...
Discover how to build a vertical-axis wind turbine using everyday materials in this step-by-step guide. Learn the principles ...
Europe's largest wind power producer - Germany - remains in the grips of a years-long bout of sub-par wind electricity production due to below-average wind speeds at turbine level.