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How to Turn Leftovers Into Electricity

A startup in Seattle is converting half-eaten burgers, spoiled milk and spent yeast from a brewery into electricity and liquid fertilizer.

June 21, 2018

Producer’s note: Sara Nelson, co-owner of Fremont Brewing, is a member of Cascade Public Media’s board of trustees. This video was produced prior to her board appointment in June 2018.

A startup company in Seattle is converting half-eaten burgers, spoiled milk, and spent yeast from a brewery into electricity and fertilizer. Katie Herzog visits​ Jan Allen, from Impact Bioenergy, to find out how a shipping-container-sized digester converts leftovers into energy.



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Eric Keto

From the Oregon Coast to the North Slope of Alaska, Eric enjoys telling stories from the western edge of the country. His nonfiction video work has been featured on The Atlantic, PBS NewsHour and Alaska Public Media.

More stories by Eric Keto

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About $75,000, so, how much energy and fertilizer from how much raw material?