Train methodologies
Rail methods range from national averages to operator data and station-to-station values. For electric trains, the electricity behind the factor makes the biggest difference.
| Methodology | Best for | Data used | Energy scope |
|---|---|---|---|
| ADEMEFrench Ministry for Ecological Transition, with ADEME | Rail travel in France | Train type and traction | WTW |
| Base EmpreinteADEME | Rail and urban transit in France | Train type, region and city size | WTW |
| CO₂-emissiefactorenCO2emissiefactoren.nl | Rail travel in and from the Netherlands | Train type and traction | WTW, TTW optional |
| DEFRAUK Government (DESNZ) | Rail travel in the UK and UK-based reporting | Rail category | WTW, TTW optional |
| Green Travel DataRail Delivery Group (RDG) | National Rail journeys in Great Britain | Station-to-station values by class | WTW |
| Rail Emissions ModelSQUAKE | International rail travel and booking tools | Operator, country or global factors in five tiers | WTW |
| US EPAUS Environmental Protection Agency (EPA) | Rail travel in the United States | US rail category | TTW |