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Marathon Petroleum Corp

Extracting, refining, or transporting oil, gas, and coal. USA
1.5 million
cars driven for a year
7.1 Mt = megatonne: one million tonnes of CO₂-equivalent CO₂e
rising +2%/yr

Marathon Petroleum Corp ranks #378 because it extracts and refines large quantities of oil, gas or coal.

How much of this entity's emissions could be tied to a named owner.How sure the numbers are, based on data coverage, recency and source agreement.Number of power plants or sites attributed to this entity in the Climate TRACE dataset.
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Climate Damage Score: 0–100. Bigger means more greenhouse gas this year. Built only from measured emissions and trend.
#378 of 1649

Measured operational emissions, not a full corporate footprint or a legal finding. How this works · Report a correction

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Marathon Petroleum Corp, based in United States of America, extracts, refines or transports oil, gas and coal. Climate TRACE attributes 1 high-emitting asset to it. Its largest tracked activities are oil refining.

Produces fossil fuelsOil, gas and coal are extracted, processed and moved at scale.
Methane can leakProduction and transport can release methane, a very potent short-term greenhouse gas.
Burned downstreamWhen the fuels are used elsewhere, they release large amounts of CO₂.
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Power plants & sites behind it1 attributed asset · ownership split equally across listed owners

AssetSectorOwnershipAttributedConf.
Marathon Galveston Bay RefineryFossil Fuels100%7.1 Mt = megatonne: one million tonnes of CO₂-equivalentvery low
Where this comes from
Climate TRACE · asset-level emissions & ownership · CC BY 4.0
Fossil Fuels · reference year 2024
How it's allowed

Signals below are derived from emissions data and ownership coverage only, not from any legal or regulatory finding.

Permitted Emissions
These emissions appear to occur under existing permits and regulations. Operating legally is not the same as operating cleanly.
Methane Exposure
Oil and gas operations can release methane, a greenhouse gas far more potent than CO₂ over the short term. Leakage is often under-measured.
Rising Emissions Trend
Attributed emissions are rising (~2%/yr), moving in the wrong direction.
Low Measurement Confidence
Measurement confidence for this entity is low; figures are best-available estimates.
No Verified Enforcement or Lobbying Record
This dataset contains no verified enforcement actions, lobbying records, subsidies, or litigation for this entity. Absence of evidence here is not evidence of compliance or of any violation.

Climate Villains makes no claim that any entity has broken any law. These are data-derived signals, not allegations.

Trend
Getting worse▲ +2.1% rising
6.8 Mt7.2 Mt7.7 Mt20222024

Attributed emissions are rising by about +2.1% per year. Attributed emissions, 2022–2024.

It ranks #378 mainly because its attributed assets emitted about 7.1 Mt CO₂e in 2024 (≈ 1.5M cars/yr).

The Climate Damage Score is driven by that absolute size on a log scale, with a +0.2-point worsening adjustment.

Score breakdown

Absolute emissions
80 pts
Trend modifier
▲ +2.1% rising+0.2 pts
Data confidence
How sure the measurement is. A low score doesn't lower the polluter's rank; it just flags fuzzier data.

See the full methodology for how the score is built, or data & coverage for how complete the underlying numbers are.

What's known · what isn't

What’s known

  • Attributed emissions: 7.1 Mt CO₂e in 2024 (≈ 1.5M cars/yr).
  • Primary sector: Fossil Fuels; primary country: United States of America.
  • Evidence: 1 asset; ~100% ownership-attribution coverage.
  • Source: Climate TRACE (CC BY 4.0).

What isn’t

  • Exact ownership percentages: Climate TRACE lists owners but not stakes, so shared assets are split equally.
  • Indirect (supply-chain / financed / product-use) emissions are not included.
  • No PR claims, lobbying records, litigation history or policy-compliance data are included.
How sure the measurement is. A low score doesn't lower the polluter's rank; it just flags fuzzier data.How much of this entity's emissions could be tied to a named owner. Higher means a more complete picture.