When New Britain Mayor Erin Stewart received a call from Rashi Akki, asking if the city wanted to buy the output from a biogas facility fueled by cow manure, she was taken aback.

“I remember looking at my staff and going, ‘Absolutely not,’” Stewart said.

Now, she has a 10-year contract with Hytone Ag-Grid LLC to receive the output — electricity — to power three elementary schools.

What seemed like an unlikely proposition turned out to be a cost-saving, environmentally friendly move for the five-term mayor and her city of roughly 74,000.

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