January 6, 2013
Culhane replaced two digesters at Mercy College in the fall of 2013. These digesters had been destroyed when his laboratory experiments rooms was dismantled. Culhane and Tasheem Hall filled the new digesters with horse manure from the stables at Rockefeller Park. They placed one of the digesters in a shed and kept the other outside. Over the long winter, both digesters froze solid but finally started producing gas at the end of May 2014.