POET, the world’s largest ethanol producer, has signed a letter of intent to capture and ship carbon from 18 of its ethanol plants in Iowa, Nebraska and South Dakota to be stored in Illinois.

RELATED: NEWS9 Special Assignment: The other 'E' NEWS9’s Jaime Ely toured POET’S Marion Ethanol Production Plant to find out more. "We bring corn in. What we do then is grind it up.