Latest news for Power Tree 
Power Tree files patent for its grid scale flywheel based electrical energy storage technology(28/08/2009)
Power Tree Corp has announced the filing of a utility patent for its grid scale flywheel based electrical energy storage technology. Power Tree’s proprietary technology represents a breakthrough in the science of energy storage. The company’s technology is unique in that the design allows for flywheels of great mass that can tolerate the extreme forces generated by high velocity rotation, while efficiently and cost-effectively storing and conv... [more]
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