Chilean cement manufacturer Polpaico has been enlarging the facilities of it Cerro Blanco plant in the Til Til region. The company is building a waste co-processing platform which will allow the utilization of alternative and less pollutant fuel sources. The project will demand US$15m in investments in 2004 with the objective of replacing coal, petroleum and petroleum coke for other sources which might be solid or liquid industrial wastes with significant energy potential.