E. & J. Gallo Winery Enhances Water Quality with Voltea’s CapDI Technology in Napa Valley E. & J. Gallo Winery, one of the world’s most respected wine producers, has partnered with Voltea to enhance water quality at its St. Helena operations in Napa Valley. By installing Voltea’s cutting-edge Capacitive Deionization (CapDI) system, Gallo ensures ultra-pure […]