Here’s a fun one, sent in by friend of the Bulletin Alan — a.k.a. The Professor. City Brewery in La Crosse, Wisconsin (the same one that rescued the Latrobe brewery) is taking a novel approach to its energy use and has found a way to be charitable at the same time. They’re figured out a way to use their brewing bio-gas byproducts to “create three million kilowatt hours per year of electricity by capturing, cleaning and burning using a process through an engine called a Jenbacher.”

They then donate all that energy to a nearby hospital, the Gundersen Lutheran Health System, which takes the electricity produced by City Brewery, using it to produce 10-13% of their total energy needs. The hospital is trying to reach complete energy independence by 2014. Below is a short video explaining it all.