Detroit poop converter. What could possibly go wrong?------With new machine, Detroit Zoo aims to turn waste into power

With new machine, Detroit Zoo aims to turn waste into power - Crain's Detroit Business
The Detroit Zoo is headed for greener pastures with its plan for the first biodigester at a U.S. zoo.

The $1.1 million project will convert the 400-500 tons of manure and other organic waste produced annually at the zoo into methane-rich gas to power the 18,000-square-foot Ruth Roby Glancy Animal Health Complex.

...Two renewable-energy grants totaling $27,000 from the Michigan Economic Development Corp. funded a two-part feasibility study conducted by Michigan State University's Anaerobic Digestion Research Education Center.

...And the MEDC has committed up to $100,000 for the project through the Public Spaces & Community Places program, which provides matching grants for public space projects supported through online crowdfunding platform Patronicity. 
It plans to chip in $100,000 from its 2015 capital budget and has $100,000 grant proposals in to the Michigan Energy Office and the Department of Environmental Quality. 
.....Currently, the zoo collects organic waste in a truck that's much like a trash hauler and transports it to Detroit Dirt for composting.