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Emission Factor

Transit rail (i.e. subway/tram)

0.0935kgCO2e/passenger-mile

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Emission factor summary

Emission intensity of travel by transit rail - rail typically within an urban center such as subways/elevated railways/metropolitan railways (metro)/streetcars/trolley cars/tramways. Retrieved from the 2025 GHG Emission Factors Hub (xlsx) file published by the US EPA at the source URL.

PropertyValue
NameTransit rail (i.e. subway/tram)
SectorTransport
CategoryRail Travel
SourceEPA
Source Dataset2025 GHG Emission Factors Hub
Region
United States of America (the) (US)
Unit Type
Passenger Over Distance
Year
2025
Year Released
2025
Emission Factor
  • CO2e0.09347kg/passenger-mile
  • CO20.093 kg/passenger-mile
  • CH40.0000075 kg/passenger-mile
  • N2O0.000001 kg/passenger-mile
LCA Activity
use_phase
CO2e Calculation Origin
Source
CO2e Calculation Method
AR5
Supported CO2e Calculation Method
AR4, AR5, AR6
Data Versioning
  • Status: Current

API Reference

Activity ID
passenger_train-route_type_urban-fuel_source_na
UUID
f14925ae-775d-422e-87b8-f65e6efa8e98
Code Snippet
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