Alternative energies research company ExRo Technologies Inc. has a new spin on a standard electrical generator. Standard generators, it seems, are most efficient at a single, predetermined speed and torque, according to ExRo. Their generator is built in such a way that when wind speed (or water current or whatever else) changes, the generator's innards change so that it harnesses the energy at the most efficient rate for the speed at the moment.
While it sounds good, time will tell how much of it is hype and how much of it is real.
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