Source: https://iowacapitaldispatch.com/, July 22, 2022
By: Jared Strong

The construction of a northwest Iowa facility that captures methane from cow manure was started without permission from state regulators, according to the Iowa Department of Natural Resources.

Gevo, based in Colorado, has three manure digesters in Lyon and Sioux Counties. They catch gas from the manure of dairy farms and process it into renewable fuel meant for low-emissions vehicles in California. The gas is refined, compressed into a liquid and transported via an interstate pipeline. Read more.