HEW

U.S. Department of Health, Education and Welfare


IC

internal combustion


LACPCD

Los Angeles County Air Pollution Control District

LDT

light-duty truck

LEV

low-emission vehicle

LPG

liquified petroleum gas

LVW

loaded vehicle weight


MDPV

medium-duty passenger vehicle

MDT

medium-duty truck

MDV

medium-duty vehicle

MECA

Manufacturers of Emissions Control Association

MOA

memorandum of agreement

MOBILE6

emissions model used by EPA for mobile sources

MVPCB

Motor Vehicle Pollution Control Board


N2

diatomic nitrogen

NAAQS

National Ambient Air Quality Standards

NAPCA

National Air Pollution Control Administration

NLEV

National Low Emission Vehicle Program

NMHC

nonmethane hydrocarbon (see Appendix B for definition of various terms used for HCs)

NMOG

nonmethane organic gas (see Appendix B for definition of various terms used for HCs)

NO2

nitrogen dioxide

NOx

oxides of nitrogen gases

NRC

National Research Council


O2

diatomic oxygen

O3

ozone

OBD

onboard diagnostics

OTC

Ozone Transport Commission


PAH

polycyclic aromatic hydrocarbon

PC

passenger car

PCV

positive crankcase ventilation

PM

particulate matter

PZEV

partial zero-emission vehicle


R&D

research and development

RIA

regulatory impact assessment

RHC

reactive hydrocarbon (see Appendix B for definition of various terms used for HCs)

ROG

reactive organic gas (see Appendix B for definition of various terms used for HCs)



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement