Los Angeles Refinery (LAR)
CARSON, CA · LOS ANGELES COUNTY · NAICS 324110
Data updated May 2026
Los Angeles Refinery (LAR) sits in the upper third of EPA GHGRP reporters by latest CO₂e (#46 of 8,713 nationally, #1 of 549 in CA).
- National rank #46 of 8,713 GHGRP facilities
- #1 of 549 in CA
- #3 of 534 in Chemicals
- 21.3% of MARATHON PETROLEUM parent CO₂e
- 2023 mix: 0.4% non-CO₂ (CH₄-led)
- +38.1% since 2011
Los Angeles Refinery (LAR) vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
6,118,906 46th of 8713 higher than 8,667 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
Facility footprint context
This site accounts for 21.3% of MARATHON PETROLEUM reported parent CO₂e (6.1M MT of 28.8M MT ; #2 of 24 GHGRP facilities under that parent ). Inside the EPA Chemicals sector it ranks #3 of 534 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 6.1M MT CO₂e reported for 2023, non-CO₂ gases are 0.4% , led by CH₄ at 0.3% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.6%
- 6.1M MT
- CH₄
- 0.3%
- 17K MT
- N₂O
- 0.2%
- 9K MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 6,118,906 |
| 2022 | 6,263,565 |
| 2021 | 6,038,424 |
| 2020 | 5,647,209 |
| 2019 | 5,948,168 |
| 2018 | 6,454,705 |
| 2017 | 6,366,417 |
| 2016 | 6,335,059 |
| 2015 | 5,988,134 |
| 2014 | 6,294,749 |
| 2013 | 4,401,471 |
| 2012 | 4,517,905 |
| 2011 | 4,431,328 |
Facility insight: Los Angeles Refinery (LAR)
Los Angeles Refinery (LAR) (GHGRP ID 1006627) is a high-volume reporter at 6.1M MT CO₂e in 2023 from CARSON, CA (#46 of 8,713 nationally) under Chemicals (NAICS 324110).
From 2011 to 2023, reported CO₂e rose 38.1% (peak 6.5M MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2018 at 6.5M MT CO2e; latest 2023 sits 5.2% below that peak (6.1M MT). The largest year-to-year move was 2013→2014 (+43.0%, 1.9M MT).
Frequently Asked Questions
Where does Los Angeles Refinery (LAR) rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Los Angeles Refinery (LAR) ranks #46 of 8,713 reporting facilities by latest reported CO₂e, and #1 of 549 facilities in CA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Los Angeles Refinery (LAR)? ▼
Los Angeles Refinery (LAR)'s 6.1M MT CO₂e is higher than 8,667 of the 8,713 GHGRP facilities with reported emissions (99%), an exact count from the full corpus, not an estimate.
How much CO2 does Los Angeles Refinery (LAR) emit? ▼
Los Angeles Refinery (LAR) reported 6.1M MT CO2e in 2023.
What share of MARATHON PETROLEUM does Los Angeles Refinery (LAR) represent? ▼
Los Angeles Refinery (LAR) accounts for 21.3% of MARATHON PETROLEUM's reported GHGRP CO₂e (6.1M MT of 28.8M MT), ranking #2 of 24 facilities under that parent.
What is Los Angeles Refinery (LAR)'s 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.4% of reported CO₂e at Los Angeles Refinery (LAR), with CH₄ the larger non-CO₂ share at 0.3% (CO₂ 99.6%). Shares use the facility's GHGRP gas components for that year.
Where does Los Angeles Refinery (LAR) rank inside Chemicals? ▼
Among EPA GHGRP facilities tagged Chemicals, Los Angeles Refinery (LAR) ranks #3 of 534 by latest reported CO₂e.
Is Los Angeles Refinery (LAR) reducing emissions? ▼
Over 13 reporting years (2011–2023), Los Angeles Refinery (LAR)'s emissions have increased by 38.1%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Peer sets outside CA for a top-third GHGRP emitter: CO₂e totals first, then Chemicals neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside CA (6.1M MT here).
Similar Chemicals CO₂e
Nearest same-sector facility totals outside CA.