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Termsort icon Definition
AC Transit

Alameda-Contra Costa Transit

adsorption

When one substance collects on the surface of another

ASTM

American Society for Testing and Materials

bio-derived liquids

sugars, ethanol, or bio-oils

biomass

Plant materials and animal waste used as fuel

CARB

California Air Resources Board

carbon intensity

A measure of the amount of carbon contained in various energy forms. (units of carbon emitted per unit of energy)

catalyst

substance that initiates or accelerates a chemical reaction

CEC

California Energy Commission

CNG

compressed natural gas

CNG

Compressed Natural Gas

commercialize/commercialization

developing markets, and producing and delivering products for sale

criteria pollutants

pollutants that harm health and the environment

DMS

Division of Measurement Standards

DOE

U.S. Department of Energy

E85

85% ethanol/15% gasoline

EIA

U.S. Energy Information Administration

electrolysis

A method of separating chemically bonded elements by passing an electric current through them.

evaporative emissions

Emissions produced from fuel evaporation

F-STEP

Fire Service Training Education Program

FCB

fuel cell bus

FCV

fuel cell vehicle

feedstock

raw material

GAO

U.S. Government of Accountability

gge

gasoline gallon equivalent

greenhouse gas

A gas in Earth's atmosphere that traps heat and can contribute to global warming. Carbon dioxide and methane are two GHGs.

GTI

Gas Technology Institute

ISO

International Standards Organization

kg

kilogram

kW

kilowatt

LEV

low emissions vehicle

MWh

megawatt hour

NFPA

National Fire Protection Agency

NIST

National Institute of Standards and Technology

NREL

National Renewable Energy Lab

O&M

operation and maintenance