Glossary

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Cellulosic ethanol: Ethanol fuel produced from cellulose, a naturally occurring complex carbohydrate polymer commonly found in plant cell walls. It is chemically identical to ethanol from other sources, such as corn or sugar, and is available from many biomass resources including urban, agricultural, and forestry residues. Cellulosic ethanol differs from ethanol in that it requires an extra step called cellulosis, which is the breaking down of cellulose into sugars.