Paraguay: President Horacio Cartes has officially opened a US$3.9m pozzolana dryer at Industria Nacional del Cemento s (INC) cement grinding plant at Villeta. The upgrade cost US$3.9m and it is expected to save the plant up to US$10m/yr, according to the Última Hora newspaper. In addition the cement producer is changing the fuels it can use at its Vallemi cement plant. /GlobalCement