Best Practice Guide

Glossary

Introduction

Planning an Energy Program

Funding and Approval

Education

Lighting

Central HVAC System

Procurement Policy

Building Envelope

Demand Response

Distributed Generation

Water Use

Motors

Food Service

Resources and Appendices

Lessons Learned

Best Practice Guide Glossary

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ETHANOL (also know as Ethyl Alcohol or Grain Alcohol, CH3CH2OH) Return to list of terms

A liquid that is produced chemically from ethylene or biologically from the fermentation of various sugars from carbohydrates found in agricultural crops and cellulosic residues from crops or wood. Used in the United States as a gasoline octane enhancer and oxygenate, it increases octane 2.5 to 3.0 numbers at 10 percent concentration. Ethanol can also be used in higher concentration (E85) in vehicles optimized for its use.

Source: California Energy Commission