
Kristianstad, a town in Sweden with a population of around 80,000, tends to be known for its production of Absolut Vodka. But, this just in - it's now known for something else - something in addition to vodka that keeps you warm in the winter.
Kristianstad has been using waste products to produce the heating for the town and surrounding area. The area is a region that serves as a hub for farming and food processing, and thus has a wide variety of waste scraps to choose from - not limited to potato peels, old cookies, animal intestines and more.
The process involves converting the waste into biogas, and then burning the gas to produce heat and electricity, or refining it, for fuel for cars.
While biofuel is becoming more and more common, Kristianstad is such an impressive example because virtually all of the energy in the area comes from waste, rather than oil or natural gas. Plus, being in Sweden and all, it's quite cold in the winter. The municipality reckons it saves $3.8 million a year in heating costs. That's huge!
(Spotted in the New York Times)
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