Skip to content

Freight emission factors

Greenhouse-gas conversion factors for freight by mode, vehicle class and load state, in kg CO2e per tonne-kilometre, from the UK Government conversion factors for company reporting.

366 records · page 6 of 8

ModeVehicle classLoad stateScopeFactor valueFactor unit
road Vans / Average (up to 3.5 tonnes) Petrol wtw 1.06753 kg CO2e/tonne.km
road Vans / Average (up to 3.5 tonnes) CNG wtw 0.75319 kg CO2e/tonne.km
road Vans / Average (up to 3.5 tonnes) LPG wtw 0.76834 kg CO2e/tonne.km
road Vans / Average (up to 3.5 tonnes) Unknown wtw 0.79275 kg CO2e/tonne.km
road Vans / Average (up to 3.5 tonnes) Plug-in Hybrid Electric Vehicle wtw 0.49174 kg CO2e/tonne.km
road Vans / Average (up to 3.5 tonnes) Battery Electric Vehicle wtw 0.20332 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Rigid (>3.5 - 7.5 tonnes) 50% Laden wtw 0.57734 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Rigid (>3.5 - 7.5 tonnes) 100% Laden wtw 0.31157 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Rigid (>3.5 - 7.5 tonnes) Average laden wtw 0.68670 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Rigid (>7.5 tonnes-17 tonnes) 50% Laden wtw 0.33953 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Rigid (>7.5 tonnes-17 tonnes) 100% Laden wtw 0.19082 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Rigid (>7.5 tonnes-17 tonnes) Average laden wtw 0.54033 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Rigid (>17 tonnes) 50% Laden wtw 0.27042 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Rigid (>17 tonnes) 100% Laden wtw 0.15933 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Rigid (>17 tonnes) Average laden wtw 0.21713 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Average non-refrigerated rigids 50% Laden wtw 0.28757 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Average non-refrigerated rigids 100% Laden wtw 0.16773 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Average non-refrigerated rigids Average laden wtw 0.25115 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Articulated (>3.5 - 33t) 50% Laden wtw 0.15257 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Articulated (>3.5 - 33t) 100% Laden wtw 0.09134 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Articulated (>3.5 - 33t) Average laden wtw 0.15459 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Articulated (>33t) 50% Laden wtw 0.12280 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Articulated (>33t) 100% Laden wtw 0.07656 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Articulated (>33t) Average laden wtw 0.09921 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Average non-refrigerated artics 50% Laden wtw 0.12345 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Average non-refrigerated artics 100% Laden wtw 0.07688 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Average non-refrigerated artics Average laden wtw 0.10040 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Average non-refrigerated HGVs 50% Laden wtw 0.15707 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Average non-refrigerated HGVs 100% Laden wtw 0.09550 kg CO2e/tonne.km
road HGV (non-refrigerated, all diesel) / Average non-refrigerated HGVs Average laden wtw 0.13125 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Rigid (>3.5 - 7.5 tonnes) 50% Laden wtw 0.66318 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Rigid (>3.5 - 7.5 tonnes) 100% Laden wtw 0.35793 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Rigid (>3.5 - 7.5 tonnes) Average laden wtw 0.78988 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Rigid (>7.5 tonnes-17 tonnes) 50% Laden wtw 0.38989 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Rigid (>7.5 tonnes-17 tonnes) 100% Laden wtw 0.21915 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Rigid (>7.5 tonnes-17 tonnes) Average laden wtw 0.62260 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Rigid (>17 tonnes) 50% Laden wtw 0.31093 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Rigid (>17 tonnes) 100% Laden wtw 0.18323 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Rigid (>17 tonnes) Average laden wtw 0.25004 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Average refrigerated rigids 50% Laden wtw 0.33061 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Average refrigerated rigids 100% Laden wtw 0.19287 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Average refrigerated rigids Average laden wtw 0.28921 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Articulated (>3.5 - 33t) 50% Laden wtw 0.17149 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Articulated (>3.5 - 33t) 100% Laden wtw 0.10269 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Articulated (>3.5 - 33t) Average laden wtw 0.17382 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Articulated (>33t) 50% Laden wtw 0.13795 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Articulated (>33t) 100% Laden wtw 0.08602 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Articulated (>33t) Average laden wtw 0.11147 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Average refrigerated artics 50% Laden wtw 0.13867 kg CO2e/tonne.km
road HGV (refrigerated, all diesel) / Average refrigerated artics 100% Laden wtw 0.08638 kg CO2e/tonne.km

Sources

  • DESNZ 2026 revised flat-format XLSX — Department for Energy Security and Net Zero · Reusable with attribution

11 further records are on file but not shown, because the publisher's terms do not clearly allow them to be republished.