Propeller wind turbines are the most common way of using one of the most abundant energy sources on Earth to generate electricity. The tall three-bladed fans are the ubiquitous symbol of wind energy, ...

Wind turbines that swap traditional mechanical drivetrains for hydraulics could potentially be lighter, more reliable, and less expensive than those fielded today. • A nacelle-mounted hydraulic ...

One problem when you try to field super-big wind turbines: All the components involved get super heavy as well. No surprise, then, that there are efforts afoot to figure out ways of lightening up the ...

Lower costs, cheaper wind turbines and hurricane safe. That’s the future of offshore wind energy promised by SeaTwirl, a company that makes vertical wind turbines. These new turbines have capabilities ...

Add Yahoo as a preferred source to see more of our stories on Google. When you think of a wind turbine, the image that likely pops into your mind is the classic three-bladed giant rising from farmland ...

Icelandic renewable energy company IceWind is now launching its innovative six-bladed wind-powered turbines for home use in the U.S. Wind now accounts for 7.2% of power generated in the United States, ...

Posts from this topic will be added to your daily email digest and your homepage feed. is a senior science reporter covering energy and the environment with more than a decade of experience. She is ...

Financial Realities Drove Design To drive those financial efficiencies, turbine manufacturers developed equipment to be low cost, lightweight, yet with high power output ratios. Unlike the development ...

Sometime this year, the swept area of the world's largest wind turbine will grow by nearly 30 percent. Swept area describes the circular zone outlined by the tips of a turbine's turning rotor blades, ...

Computer modeling technologies are being developed to help engineers design better machines. The models are being applied to wind turbines, artificial hearts and gas turbines. Three thin leaflets blew ...

Professor schooled in oil exploration structures has designed a platform to hold turbines dozens of miles offshore. Image: Envisioning a floating turbine Martin LaMonica is a senior writer covering ...