Wind Energy

The U.S. government, investors, and alternative energy developers have spent years of research and millions of dollars working to soup up existing wind-power technology to produce cleaner, more efficient energy.

Conventional three-blade turbines on wind farms rely on lift to grab horizontal wind and to rotate with changes in breeze direction.

Even with global purchases of turbines expected to decline 14 percent this year from the pace in 2010, companies are still investing in wind. They are generating new designs to create turbines that are mobile, can float, or can produce power on a smaller scale.

Read on to see innovative wind turbine designs that have scrapped the conventional model.

Photograph by Alessandro Rizzi/Gallery Stock

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