LHV

lower heating value


NETL

National Energy Technology Laboratory (formerly FETC)

NGCC

natural-gas combined-cycle

NRC

National Research Council


ODS

oxide-dispersion strengthened

OECD

Organization for Economic Cooperation and Development

OFE

Office of Fossil Energy (DOE)


PCAST

President's Committee of Advisors on Science and Technology

PFBC

pressurized fluidized-bed combustion

PM2.5

fine particulate matter


R&D

research and development


SCR

selective catalytic reduction

ABBREVIATIONS


Gmt

billion metric tonnes

GW

gigawatt


Mbbl

million barrels

MMBtu

million British Thermal Units (BTUs)

Mmt

million metric tonnes


NOx

oxides of nitrogen


ppm

parts per million


SO2

sulfur dioxide


tcf

trillion cubic feet

Tpd

tons per day

Twh

trillion watt hours



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