Calgren Dairy Fuels’ Lagoon Digester Cluster Project: The Digest’s 2019 Multi-Slide Guide to Pooping Cows Bringing Us Biofuel
by Jim Lane (Biofuels Digest) Methane – we all know there’s too much of it and much of it comes from farting and pooping cows. But Calgren has been doing something about that for years, before cow manure memes became cool.