Interest grows in digesters that turn manure into energy, fertilizer and bedding for cows Chilton - The manure management side of farming is far less smelly and far more profitable when the animal waste is converted into a power source. Such a biomass process is up and running at farms across Wisconsin and other states. Although the basic technology isn't new, it's generating attention for a local company, GHD Inc. Company owner Steve Dvorak has run a farm implement dealership for 27 years. The farm boy turned engineer kept hearing farmers complain about manure management, and ended up developing his...