It's a 9 nation EU-financed project. Old tyres, which mostly are dumped into landscape, are turned into silicon carbide, which sells for 10,000$ a tonne. Also 6 KiloWatt energy are extracted by 1 Kilogram old tyres. Which is same energy efficiency as coal. 6 Kilowatt can power 2 flats of a building (the scientist in podcast explains). Recycling tyres: The ultimate retread | The Economist Podcast TyGRE turns tyres into treasure – New Science Journalism Project. The Science Media Magazine Publishing Science News and Science Writing by Students Worldwide.