Tiles Harvest Marathon Runners' Energy Recently the Paris Marathon showed that such a feat is possible. Race organizers laid out an 82-foot span of rubber tiles along the route made by the London-based company Pavegen Systems from recycled truck tires. The tiles took kinetic energy from footfalls and converted it into very small amounts of electricity. The tiles generated up to 8 watts with each step, Bloomberg’s Alex Morales reported. Admittedly that’s nothing. But with 40,000 runners it was enough to power screens and signs throughout the race. Not bad for a start.
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