In April, Avatar Systems installed an anaerobic digester system at the 170cow Keewaydin Dairy Farm in Stowe. Avatar's mixed-plug flow system is composed of horizontal fiberglass hulls, 20and 40-ft.

Five projects from Kings, Fresno, Madera, Tulare and Kern counties have been awarded $11.1 million in state grants to reduce greenhouse gas emissions from decomposing dairy manure with digester ...