The Future of Renewable Energy

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Source: Entrepreneur.com

Energy Solutions International and Green Revolution
The companies: Energy Solutions International and Green Revolution
The innovation: Kinetic energy adapters for gym equipment
What it does: Technically, nothing. It just sits there while you pedal furiously and go nowhere. But it does allow you to convert all that sweat and energy into, well, energy, as resistance from stationary bikes is converted into electricity and sent back to the gym's power grid.
How it makes money: "By being able to build a better mousetrap," says Chris Maddern of Energy Solutions International.
Where it's going: Maddern says his firm and Green Revolution are working on an initiative to create completely self-sustaining gyms where members could go online to keep track of how much energy they've produced and the resulting carbon offset.

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