This guide provides a detailed overview of the construction and operation of a portable still for producing fuel-grade ethanol from agricultural culls like corn stalks, wheat straw, and soybean hulls. The guide includes step-by-step instructions for building and operating the still, as well as information on the sourcing of materials and the regulatory requirements for producing ethanol. It is an essential resource for farmers, rural communities, and anyone interested in renewable energy and sustainable agriculture.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.