Direct emissions
720,642
tCO2e
Back to search resultsEmissions
Sustainability
Scope
REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED ESTIMATED ESTIMATED REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED 
Read the full scoring methodologyOur white paper covers exactly how the Mycelium Score and Transparency Score are calculated, including the normalisation process and what earns a 10/10.Download the white paper (PDF)
Mycelium Score2.7 / 10Below-average scoreATransparencyVery HighExtensive disclosure across almost all key areas
Explore carbon emissions data for HMC. Mycelium helps you review reported emissions, disclosure status, Scope 1, Scope 2 and Scope 3 data, climate targets and sustainability information in one company profile.
This profile brings together available carbon emissions data for HMC, including reported figures, modelled estimates, disclosure documents and sustainability indicators, so you can review its emissions and compare its performance against similar companies. It is one entry in the Mycelium emissions database. Read how we source and check this data.
Emissions
Carbon emissions
Total yearly emissions across all scopes
202,809,849tCO2e(Market Based)(Mycelium adjusted)
- Reported by HMC
- 201,615,337 tCO₂e
- Estimated by Mycelium
- 1,194,512 tCO₂e
HMC reported 99% of the adjusted total. Mycelium estimated the remaining 1% for the categories it did not disclose.
Scope 1
tCO2e
720,642
Scope 2 (Market Based)
tCO2e
1,190,442
Scope 3 total
tCO2e
200,898,765
Figures from pages 38 and 136 of the source report
Scope 3 reported
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
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See the scope breakdownProvenance
Emissions
Factors
0.310kgCO2e / $
Supplier specific emission factors (kgCO2e / $)
Modelled
Reported
UpstreamScope 1, 2 + upstream Scope 3
0.310
0.310
Total+ all Scope 3
–
1.539
Per US dollar of revenue. Mycelium models the upstream factor only.
Which figure should I use?
Estimating your own supply-chain emissions from spend with this company? Use Upstream Modelled. The GHG Protocol defines purchased-goods emissions as cradle-to-gate, which means this company's own operations plus its upstream supply chain. Any of those emissions the company has not disclosed are filled with modelled estimates, so a transparent company is not unfairly penalised against one that simply has not reported.
Looking at what the company filed itself? Use the Reported column. Total Reported also includes downstream emissions, such as the lifetime use of the products this company sells, which the GHG Protocol attributes to the users of those products rather than to customers buying goods and services.
Reported counts only emissions the company has filed itself. A blank or low Reported cell does not mean those emissions do not exist, just that the company has not disclosed them. When Upstream Reported sits close to Upstream Modelled, that is a positive signal: the company has disclosed most of its upstream emissions.
Sustainability
Snapshot
Based on reported data, retrieved with AI
- HMC reported 201,615,337 tCO₂e in 2025.
- Scope 3 accounted for 99% of reported emissions.
- Reported across 13 of 15 GHG Protocol Scope 3 categories.
- Scope 2 reported under the market based methodology.
According to available emissions disclosures, HMC reported total yearly emissions of 201,615,337 tCO₂e in 2025. Scope 3 emissions accounted for 99% of the reported footprint, indicating supply chain activity, purchased goods and services, business travel, and wider operational dependencies were the most significant contributors to the company's carbon footprint.
The company achieved a Mycelium Score of 2.7, placing it below average for its sector for sustainability performance, and received a transparency score of 99.8, an exceptional result, reflecting open disclosure across nearly every key emissions metric.
Scope
breakdown
Scope 1 emissions
Direct emissions from sources the company owns or controls, such as fuel use, facilities and vehicles.
Scope 2 emissions
Indirect emissions from purchased energy, including electricity, heating and cooling.
Location based
1,858,897
tCO2eMarket based USED IN TOTAL
1,190,442
tCO2eScope 3 emissions
Wider value chain emissions across the 15 GHG Protocol categories, from purchased goods and business travel to investments, where reported.
Cat 1
Purchased goods & services
30,976,380
tCO2eCat 2
Capital goods
2,013,738
tCO2eCat 3
Fuel & energy related activities
639,111
tCO2eCat 4
Upstream transportation & distribution
2,345,209
tCO2eCat 5
Waste generated in operations
231,554
tCO2eCat 6
Business travel
118,532
tCO2eCat 7
Employee commuting
2,316,276
tCO2eCat 8
Upstream leased assets
28,777
tCO2eCat 9
Downstream transportation & distribution
1,165,735
tCO2eCat 10
Processing of sold products
9,470
tCO2eCat 11
Use of sold products
157,799,559
tCO2eCat 12
End-of-life treatment of sold products
1,711,368
tCO2eCat 13
Downstream leased assets
11,546
tCO2eCat 14
Franchises
25,376
tCO2eCat 15
Investments
1,506,134
tCO2e2 values were derived via Mycelium's normalisation process rather than reported by the company. A cell marked “ESTIMATED” is a figure the company did not disclose, modelled by Mycelium.
Verification
Independent third parties involved in checking or preparing HMC's emissions data.
Independent assurance
Independently assured(limited assurance)by DNV Business Assurance Korea Ltd.; LRQAfor 2025
Carbon accountant
Hyundai Motor Companyprepared the 2025 figures
Climate targets
Science Based Targets initiative
Near-term target
Committed
Source: Science Based Targets initiative, Companies Taking Action.
Contact Info
Website
www.hyundai.comCountry
South Korea
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How scoring works
How the Mycelium Score is calculated
The Mycelium Score is out of 10. Up to 6.5 points reflect carbon intensity vs peers in the same NACE section (emissions normalised against revenue, log-scaled between the 5th and 95th percentile of each company's latest reporting year in that section; a section needs at least 5 companies to be benchmarked). The band above 6.5 is earned through verified data quality on a claimed profile: declaring every reporting category yourself (up to 2.0), preparation by a carbon accountant (2.0) and independently audited figures (2.0). The total is multiplied by the transparency score and capped at 10. A disclosure with an implausibly large figure (Scope 1 or 2 over 300 million tonnes, a Scope 3 figure over 2 billion tonnes or a total over 2.5 billion tonnes) is not scored until it has been checked.
A higher score means lower carbon intensity than sector peers, backed by data that's third-party verified, claimed by the company, and fully disclosed. HMC's score sits at the top of this page and in the score panel. Without a revenue figure to measure carbon intensity, or an industry classification to compare it within, a company has no score.
How the Transparency Score is calculated
The Transparency Score is the share of a company's estimated footprint that it reported itself, graded from A (very high) down to F (very low). Where a category is missing, Mycelium models what it would hold for a company of that size and industry and counts it as undisclosed, so an unreported category where the bulk of emissions sit hurts far more than a minor one. Unreported downstream categories (9 to 15) count at a quarter of their modelled size in this share; the carbon intensity behind the score still counts them in full. A Scope 3 total filed without a category breakdown earns very little credit for the part left unattributed, because it does not show which categories are inside it: a company can count business travel, leave purchased goods out entirely, and the total looks the same. Without a revenue figure the footprint cannot be modelled, so the company has no Transparency Score.
HMC has disclosed the categories that carry most of its estimated footprint, so there's no single bucket dragging the transparency score down. The breakdown above shows which figures are reported and which are modelled.
Read the full scoring methodologyOur white paper covers exactly how the Mycelium Score and Transparency Score are calculated, including the normalisation process and what earns a 10/10.Download the white paper (PDF)Compare HMC with similar companies
HMC carbon emissions FAQs
What are HMC's carbon emissions?
In its 2025 reporting year, HMC disclosed total emissions of 201,615,337 tCO2e across all scopes. Including Mycelium estimates for undisclosed categories, the adjusted total is 202,809,849 tCO2e. Scope 3 accounted for the largest share of the reported total, around 99%.
Does HMC report Scope 1, Scope 2 and Scope 3 emissions?
For 2025, HMC's available disclosure covers Scope 1 (720,642 tCO2e), Scope 2 (1,190,442 tCO2e) and Scope 3 across 13 of the 15 GHG Protocol categories. Figures not reported by the company are shown as modelled estimates and labelled as such.
How transparent is HMC's emissions reporting?
HMC has a Mycelium transparency score of 99.8 out of 100. The score is the share of the company's estimated footprint that it reported itself, so an undisclosed category where most of its emissions sit weighs far more than a minor one.
Is HMC sustainable?
Mycelium measures sustainability through carbon emissions data rather than giving a yes or no verdict. HMC has a Mycelium Score of 2.7 out of 10, which reflects its emissions intensity against sector peers together with how transparent and well-verified its reporting is. The emissions figures, disclosure documents and climate targets on this page give the fuller picture.
Is HMC environmentally friendly?
Carbon emissions are one measurable part of environmental impact, and the part Mycelium tracks. HMC disclosed 201,615,337 tCO2e for 2025, and its Mycelium Score of 2.7 out of 10 shows how that performance compares with similar companies in its sector.
Learn more about our methodology and where this data comes from.