Cascade Engineering has the rights to sell this Swift turbine, which is already installed in dozens of locations in the U.K., some attached to roofs on homes. Like other wind turbines, the Swift has blades that turn and power a generator. But rather than the typical three blades, the Swift has five and a ring that goes around them. That "outer diffuser" ring cuts the noise level to 35 decibels and reduces vibration, according to the company. Photo by Cascade Engineering. Caption by Martin LaMonicaFrom Green Tech/CNET News:
Individuals and commercial businesses around the world are increasingly drawn to small wind turbines to supplement energy consumption, according to a report released Wednesday by Pike Research.
The niche industry of small wind turbines, which saw $165 million in revenue in 2008 and $203 million in 2009, will grow to $412 million by 2013, according to Pike's "Small Wind Power" report.
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