EcoMill Treadmill, made by Woodway, is an eco-friendly workout machine that requires no electricity. The device works through the use of an on board generator that converts human movement into energy.
In addition to being greener than their electric relatives, self-powered treadmills can charge a phone or other gadget via USB while you sweat. EcoMill Treadmill does’t come cheap, it cost about $8,000. Watch the video below to learn more.
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