turbine

Conventional wind turbines have an Achilles heel in the form of their clunky and expensive gearboxes. But that could change with GE's recent purchase of a company that has developed gearless turbine technology based on magnets.

Gearboxes act as the middleman to convert the slow rotations of wind turbine blades into the faster rotations needed for generators to create electricity. The downside of such gears comes from their high-maintenance requirements due to constant stress from wind turbulence.

Norwegian oil and gas giant StatoilHydro has inaugurated the world's first floating full-scale offshore wind turbine, paving the way for deep-water wind farms possessing the dual appeal of being out of sight as well as more efficient.