POET planning a friendlier way to produce ethanol

PIERRE, S.D. (KELO) — A Sioux Falls-based ethanol company intends to stay economically competitive while being nicer to the environment.

That’s why POET is working with Antora, a California-based maker of thermal batteries, on a new approach.

Antora plans to open the Big Stone South Energy Storage Project near POET’s Big Stone City ethanol plant…

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