POET Bioprocessing — the largest producer of ethanol in the United States — operates an ethanol plant, pictured Oct. 16, near Shell Rock in Northeast Iowa. For three years, the plant violated a permit ...

SHELL ROCK — No one was injured when an explosion at a bioethanol plant sent a fireball into the sky this weekend. Multiple emergency agencies from Butler and Bremer counties responded to POET ...

SHELL ROCK — An ethanol-producing facility in Northeast Iowa expelled excessive pollutants into the air for several years that can cause cancers and other health effects, according to the Iowa ...

SHELL ROCK — No one was hurt after an explosion at a bioethanol plant sent a fireball into the sky this weekend. Rosalynn Carter dies, Dolly Parton stuns with halftime performance at Cowboys vs.

SHELL ROCK, Iowa (KCRG) - Around 4:00 PM on Saturday, first responders were called to an explosion at the Poet Ethanol Plant in Shell Rock. Upon arrival, responders reported no visible flames.