USOpen licence
Rail
0.01451kgCO₂e/t.kmGWP: AR6 (as published)
Published by U.S. EPA GHG Emission Factors Hub (Cornerstone Sustainability Data Initiative) in U.S. EPA GHG Emission Factors Hub (Cornerstone Sustainability Data Initiative) 2026.01 (Any year); last verified 2026-08-28.
Values by year and methodology
| Any year | 0.01451▣headline |
|---|
By gas
| co2 | 0.014384 | 99.1% |
| ch4 | 0.000033 | 0.2% |
| n2o | 0.000093 | 0.6% |
Cite this factor
open-climate.ai (n.d.). Rail [emission factor]. U.S. EPA GHG Emission Factors Hub (Cornerstone Sustainability Data Initiative), U.S. EPA GHG Emission Factors Hub (Cornerstone Sustainability Data Initiative) 2026.01. Dataset 2026-08-28. https://open-climate.ai/factors/ef-epa-rail-us-tkm-combustion-81e875d4/