The last few years have seen several companies develop interesting ways of producing bricks. U.S. based bioMASON, for instance, says it uses “microorganisms to grow cement,” while in Scotland, one start-up wants to harness the power of recycling to produce bricks.
A spin-off from research carried out at Heriot-Watt University, Edinburgh, Kenoteq’s K-Briq is an unfired brick produced from 90% construction and demolition waste. It is currently made at Hamilton Waste & Recycling, a waste management firm in Musselburgh, on the outskirts of Edinburgh. According to the university, the K-Briq produces a tenth of the carbon dioxide emissions of a traditional-fired brick and also uses less than a tenth of the energy in its production.
“We use the inert waste – that means it’s not going to change over time,” Gabriela Medero, a professor at Heriot-Watt’s School of Energy, Geoscience, Infrastructure and Society, told CNBC in a phone interview.
Source: CNBC
Finnish site 
Global site