Abbreviations


A/F

air-to-fuel ratio

AAM

Association of Automobile Manufacturers

ACP

alternative compliance plan

AQMD

Air Quality Management District

ARB

Air Resources Board in California (same as CARB)

ASTM

American Society for Testing Materials

AT-PZEV

advanced-technology partial zero-emission vehicle


CAA

Clean Air Act

CAFE

corporate average fuel economy

CARB

California Air Resources Board

CIDI

compression ignition direct injection

CNG

compressed natural gas

CO

carbon monoxide

CO2

carbon dioxide

COHb

carboxyhemoglobin


DOE

U.S. Department of Energy


EGR

exhaust gas recirculation

EMFAC

emissions model used by CARB for mobile sources

EPA

U.S. Environmental Protection Agency

EV

electric vehicle


GVW

gross vehicle weight


HAPs

hazardous air pollutants

HC

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

HCCI

homogeneous charge compression ignition

HDV

heavy-duty vehicle



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



Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text on the opening pages of each chapter. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

Do not use for reproduction, copying, pasting, or reading; exclusively for search engines.

OCR for page 317
State and Federal Standards for Mobile-Source Emissions Abbreviations A/F air-to-fuel ratio AAM Association of Automobile Manufacturers ACP alternative compliance plan AQMD Air Quality Management District ARB Air Resources Board in California (same as CARB) ASTM American Society for Testing Materials AT-PZEV advanced-technology partial zero-emission vehicle CAA Clean Air Act CAFE corporate average fuel economy CARB California Air Resources Board CIDI compression ignition direct injection CNG compressed natural gas CO carbon monoxide CO2 carbon dioxide COHb carboxyhemoglobin DOE U.S. Department of Energy EGR exhaust gas recirculation EMFAC emissions model used by CARB for mobile sources EPA U.S. Environmental Protection Agency EV electric vehicle GVW gross vehicle weight HAPs hazardous air pollutants HC hydrocarbon (see Appendix B for definition of various terms used for HCs) HCCI homogeneous charge compression ignition HDV heavy-duty vehicle

OCR for page 317
State and Federal Standards for Mobile-Source Emissions 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)

OCR for page 317
State and Federal Standards for Mobile-Source Emissions SCAQMD South Coast Air Quality Management District SCR selective catalytic reduction SI spark ignition SIP state implementation plan SORE small off-road engine SULEV super ultra-low-emission vehicle TLEV transitional low-emission vehicle UAM urban airshed model UEGO universal exhaust gas oxygen (sensor) ULEV ultra-low-emission vehicle VOC volatile organic compound ZEV zero-emission vehicle