LED Light-emitting diode

LUCF Land-use change and forestry

NAAQS National Ambient Air Quality Standards

NRC National Research Council

NREL National Renewable Energy Laboratory

NSF National Science Foundation

OECD Organisation for Economic Co-operation and Development

R&D Research and development

REDD Reducing emissions from deforestation in developing nations

RFS Renewable Fuels Standard

RGGI Regional Greenhouse Gas Initiative

RPS Renewable Portfolio Standard

S&E Science and engineering

TRB Transportation Research Board

UNEP United Nations Environmental Program

UNFCCC United Nations Framework Convention on Climate Change

USDA U.S. Department of Agriculture

VMT Vehicle miles traveled

WCI Western Climate Initiative

WTO World Trade Organization

CHEMICAL COMPOUNDS

CFCs Chlorofluorocarbons

CH4 Methane

CO2 Carbon dioxide

HFC Hydrofluorocarbons

NMHCs Nonmethane hydrocarbons

NOx Nitrogen oxides

O3 Tropospheric ozone

PFCs Perfluorocarbons

PM Particulate matter

N2O Nitrous oxide

SF6 Sulfur hexafluoride

SO2 Sulfur dioxide

VOC Volatile organic compounds



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