Adapt the Darrieus-type vertical-axis wind turbine design to optimize wind energy capture capabilities, decrease noise and improve aesthetics for commercial and residential markets. Add a helical ...

The Darwind5 Trekker series of portable wind turbines are billed as next-generation Darrieus "eggbeater" powered generators. The design is said to deliver 35% better annual power production than any ...

There are already a wide variety of renewable energy systems that harness the power of the wind, along with some that generate power via the flow of ocean currents. According to Japanese engineering ...