40 CFR § 80.3 - Acronyms and abbreviations.
---
identifier: "/us/cfr/t40/s80.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 80.3 - Acronyms and abbreviations."
title_number: 40
title_name: "Protection of Environment"
section_number: "80.3"
section_name: "Acronyms and abbreviations."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "80"
part_name: "REGULATION OF FUELS AND FUEL ADDITIVES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7414, 7521, 7542, 7545, and 7601(a)."
regulatory_source: "38 FR 1255, Jan. 10, 1973, unless otherwise noted."
cfr_part: "80"
---
# 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. |
| PM | Particulate matter generally 10 micrometers or smaller. |
| PM | 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]