http://www.bbc.co.uk/news/business-23281950
- … Lawrence Kemball-Cook, an enthusiastic, 27-year-old, London-based entrepreneur…His company, Pavegen Systems, produces floor tiles that generate electricity through being walked on.
- The combination of the weight of the person and a 5mm movement in the tile is used to generate an electrical current.
- It is intended for places with lots of people passing through, such as railway stations, shopping centres, offices and public buildings.
- The company claims its electricity-producing tiles cost about the same to install as other types of flooring in new buildings, although the costs for retrofitting existing floors are higher.