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Emission factor specification

Retrieved 2026-08-25

철도운송서비스(KTX, 서울-부산 노선)

한국철도공사 · Certificate no. 2025-434 · 2025.12 edition

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Emission factor
9.21344
kgCO₂e/인·노선
Data grade
Primary
Edition
2025.12
4 editions in total
Source
환경성적표지
한국환경산업기술원

1Factor specification

Values are per kgCO₂e/인·노선

Product
철도운송서비스(KTX, 서울-부산 노선)
Activity name (original)
한국철도공사_철도운송서비스(KTX, 서울-부산 노선)_2025-434_저탄소제품_최초
Manufacturer
한국철도공사
Factor value
9.21344 kgCO₂e/인·노선
Unit basis
인·노선
Method
환경성적표지
Year published
2025.12
Region
Korea (Republic Of) · KOR
Certificate no.
2025-434
Certificate type
저탄소제품
Certificate stage
최초
Dataset edition
2025.12

2Edition history

4 editions · values changed (9.16994–9.21344)

Change 2020 → 2025
+0.5%
As of 2025.12
9.21344kgCO₂e/인·노선
2020.12 · 9.16994 kgCO₂e/인·노선20202021.12 · 9.16994 kgCO₂e/인·노선20212022.12 · 9.16994 kgCO₂e/인·노선20222025.12 · 9.21344 kgCO₂e/인·노선2025
2020.122021.122022.122025.12
9.169949.169949.169949.21344
EditionCertificateFactor (kgCO₂e/인·노선)vs previousNotes
2020.122020-6139.16994—First edition
2021.122020-6139.169940.0%
2022.122020-6139.169940.0%
2025.122025-4349.21344▲ 0.5%This spec
4 editions in total9.16994 ~ 9.21344

3Where it sits in the industry spread

0.0% of 14 · smaller than the median

환경성적표지 · 단위 인·노선Middle 50% band
9.16994Median 37.232211,101.4

Compared against 14 factors in the same unit (인·노선). Product families may be mixed, so treat it as indicative only. Measuring concrete and steel sheet with the same ruler says little.

4Breakdown by gas

2 items provided by the source

CO₂e total
9.21344
CO₂
9.21344

5Factors to compare

0 under the same product · 6 with a similar value

Product · manufacturerRelationEditionFactor (kgCO₂e/인·노선)vs this factor
철도운송서비스(KTX, 서울-부선노선) · 한국철도공사Similar value2020.129.16994▼ 0.5%
철도운송서비스(KTX,서울-부산 노선) · 한국철도공사Similar value2024.1210.54035▲ 14.4%
철도운송서비스(KTX-강릉선, 서울-강릉) · 한국철도공사Similar value2021.1215.98171▲ 73.5%
항공운송서비스(김포-제주노선)_D-2011-003 · 아시아나항공(주)Similar value2022.1258.48272▲ 534.8%
항공운송서비스(김포-제주노선)_D-2011-003 · 아시아나항공(주)Similar value2021.1258.48272▲ 534.8%
항공운송서비스(김포-제주 노선) · 아시아나항공(주)Similar value2025.1265.10162▲ 606.6%

Notes

  1. 1)The value is as published by 환경성적표지; we do not alter it. 환경성적표지 인증현황 (공개 인증 목록) · 1차 데이터
  2. 2)Factor values in the table are unified to kgCO₂e for comparison. The original unit is in "Factor specification".
  3. 3)Even with several editions the value often stays the same. "Checked and unchanged" is an answer too.
  4. 4)One of 13,844 factors from public sources. ecoinvent, EXIOBASE and IEA factors bar redistribution, so they aren't here. See why
Source: 환경성적표지 (한국환경산업기술원), Certificate no. 2025-434, Dataset edition 2025.12, retrieved 2026-08-25. View original