 This paper provides an overview of the current state of cellulosic ethanol technology, focusing on chemicals and materials with a TRL of at least eight. These include chemicals such as acetic acid, ferfrol, lebulinic acid, and xylose monomer, as well as materials such as activated carbon, ion exchange resins, and zeolites. This article was authored by Oscar Rosales Calderón and Valdeir Arendt.