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Criminal cases brought by U.S. wildlife officials for killing or harming protected bald and golden eagles dropped sharply in recent years, even as officials ramped up issuing permits that will ...
The state of Iowa is suing a Washington state company and its executives for allegedly dumping tons of old wind-turbine blades around Iowa, in violation of the state’s solid-waste laws.
The necessary yawing torque was created by means of animal power, human power or even wind power (implementation of an auxiliary rotor known as fantail). Vertical-axis wind turbines (VAWTs) do not need a yaw system since their vertical rotors can face the wind from any direction and only their self rotation gives the blades a clear direction of ...
The yacht achieved a dead downwind speed of about 2.8 times the speed of the wind. [1] [18] On June 16, 2012, Blackbird set the world's first certified record for going directly upwind, without tacking, using only power from the wind. The yacht achieved a dead upwind speed of about 2.1 times the speed of the wind. [1]
World Wind (India) Enercon (Germany) Nordex SE (Germany) UNISON (South Korea) Hanjin (South Korea) Doosan (South Korea) Hyosung (South Korea) Hyundai Heavy Industries (South Korea) Hitachi (Japan) – acquired the wind turbine business of Fuji Heavy Industries in 2012 [2] Japan Steel Works (Japan) Machine Sazi Arak (Iran) Mingyang Wind Power ...
Criminal cases brought by U.S. wildlife officials for killing or injuring protected eagles dropped sharply in recent years, even as officials ramped up issuing permits that will allow wind energy ...
Resilient as bald eagles are, they are no match for wind turbine blades, whose spinning tips can reach speeds of up to 200 mph. Intent on keeping the two apart, a team of University of Minnesota ...
The Vattenfall utility company study found Hydroelectric, nuclear stations and wind turbines to have far less greenhouse emissions than other sources studied.. A typical study of a wind farm's Life cycle assessment, when not connected to the electric grid, usually results in similar findings as the following 2006 analysis of 3 installations in the US Midwest, where the carbon dioxide (CO 2 ...