Soon, drivers on the famed British M1 motorway may never have to deal with snow and ice again. This incredible road warming invention will be tested on a service road before spreading to the main thoroughfare. Heat is transferred from the asphalt into a layer of water-filled collector pipes below the surface of the road. Pumps circulate the warmed water to heat the surrounding ground. The energy is stored there, and then released in the winter to warm the road. AutoExpress has a longer explanation of the intriguing technology.
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