Bi awọn ala lori awọn ọja ethanol ti rọ tabi farasin, ọpọlọpọ awọn aṣelọpọ ethanol yan lati fojusi lori ẹda iye lati awọn adajade. Awọn oka distillers ti gbẹ pẹlu awọn solubles (DDGS) ti gun ti ohun undervalued

Bauxite jẹ apata idalẹti ti o jẹ ọlọrọ ni alumina, ipilẹ fun ṣiṣe aluminiomu. It is generally easy to mine because it is found near the surface of the