Coach: carbon footprint

Coach comes in at about 2.73 kg CO₂e / 100 km (per 100 km).

Of the 11 ways to get around Carbonle tracks, Coach sits at #2 from the lightest — one of the lightest.

Distance times how it's powered. Rail is cheap, a seat on a plane is not.

2.73 kg CO₂e to travel 100 km. (27.33 g per passenger-km, DEFRA 2022.)

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Figures from DEFRA 2022 GHG factors: 27.33 g/passenger-km × 100 km, licensed OGL v3.0.
How we get these numbers: Methodology.