40 CFR § 80.3 - Acronyms and abbreviations.

AB	Advanced biofuel.
APHA	American Public Health Association.
API	American Petroleum Institute.
ASTM	ASTM International.
BBD	Biomass-based diesel.
BMP	Best management practices.
BOB	Gasoline before oxygenate blending.
CAA	Clean Air Act.
CB	Cellulosic biofuel.
CBOB	Conventional gasoline before oxygenate blending.
CF	Converted fraction.
CG	Conventional gasoline.
CHP	Combined heat and power.
CNG	Compressed natural gas.
CPI-U	Consumer Price Index for All Urban Consumers.
ECA	Emission Control Area.
EDRR	Early detection and rapid response.
EIA	Energy Information Administration.
EMTS	EPA Moderated Transaction System.
EPA	Environmental Protection Agency.
EqV	Equivalence value.
ERVO	Exporter renewable volume obligation.
FE	Feedstock energy.
FFA	Free-fatty acid.
GC	Gas chromatography.
GHG	Greenhouse gas.
GTAB	Gasoline treated as blendstock.
HACCP	Hazard Analysis Critical Control Point.
HHV	Higher heating value.
IBR	Incorporation by reference.
ID	Identification.
kWh	Kilowatt-hour.
LE	Limited exemption.
LHV	Lower heating value.
LNG	Liquified natural gas.
MSW	Municipal solid waste.
MVNRLM	Motor vehicle, nonroad, locomotive, or marine.
NARA	National Archives and Records Administration.
NTDF	Non-transportation 15 ppm distillate fuel.
PIR	Potentially invalid RIN.
PM10	Particulate matter generally 10 micrometers or smaller.
PM2.5	Particulate matter generally 2.5 micrometers or smaller.
PTD	Product transfer document.
QAP	Quality assurance plan.
RBOB	Reformulated gasoline before oxygenate blending.
RCO	Responsible corporate officer.
RF	Renewable fuel.
RFS	Renewable Fuel Standard.
RFS-FRRF	RFS foreign refiner renewable fuel.
RIN	Renewable identification number.
RNG	Renewable natural gas.
RVO	Renewable volume obligation.
STP	Standard temperature and pressure.
U.S.	United States.
ULSD	Ultra-low-sulfur diesel fuel.
USDA	United States Department of Agriculture.
UTC	Coordinated Universal Time.
VCSB	Voluntary consensus standards body.

[88 FR 44562, July 12, 2023]