Huber Engineered Materials (Atlanta, Ga.; www.hubermaterials.com, a division of J.M. Huber Corporation, has announced that it is increasing capacity at its precipitated silica plant in Etowah, Tenn. The expansion will add 14,000 metric tons annually (m.t./yr) at Etowah and is set for completion in the 3rd Q of 2013. Earlier this year, Huber announced a new production line at its precipitated silica plant in Jhagadia, India, which is set for completion in the 4th Q of 2012 and doubles the capacity to 35,000 m.t..