Transportation

Road, rail, maritime, and air transportation. Fuel combustion from vehicles, vessels, and aircraft is the primary emission source across all modes.

SICS Industries

TTROther transportation

Rail, water, air transport, warehousing, postal/courier

TRORoad transportation

Freight and passenger road transport

Scope Emission Diagram

Click any node to view its emission profile. Scope 3 Upstream sources on the left feed into Scope 1 & 2 direct/indirect emissions at center, which flow to Scope 3 Downstream on the right.

Mini Map
Scope 3 Upstream
Scope 1 & 2
Scope 3 Downstream

Dual Framework Coverage

GHG Protocol Scope 3

Upstream (Cat 1–8)

Cat 1
Purchased Goods & Services(high)
Cat 2
Capital Goods(high)
Cat 3
Fuel & Energy-Related Activities(high)
Cat 7
Employee Commuting(medium)

Downstream (Cat 9–15)

Cat 9
Downstream Transportation(medium)
Cat 11
Use of Sold Products(high)
Cat 13
Downstream Leased Assets(high)

Carbon Measures / PACT PCF

pcfExcludingBiogenicfull

Transport carbon intensity per tonne-km or passenger-km

pcfIncludingBiogenicpartial

Biogenic content relevant for biofuel blending (SAF, biodiesel, HVO)

primaryDataSharefull

Fleet fuel consumption data is primary; route optimization data available

dqrfull

GLEC Framework provides transport-specific emissions calculation methodology

Full Partial N/A

Direct & Indirect Emission Sources

Scope 1Direct Emissions

Road Vehicle Fuel Combustionhigh

Diesel and petrol combustion in trucks, buses, vans, and cars for freight and passenger transport

8–15 t CO2e / heavy truck / year

Marine Vessel Fuelhigh

Heavy fuel oil (HFO) and marine diesel oil (MDO) for cargo ships, ferries, and tankers

20,000–80,000 t CO2e / large vessel / year

Aviation Jet Fuelhigh

Jet A-1 kerosene combustion in aircraft for passenger and freight aviation

90 g CO2/passenger-km (average)

Rail Diesel Tractionmedium

Diesel locomotives for freight and passenger rail services (non-electrified routes)

20–40 g CO2/t-km (freight rail)

Terminal & Depot Heatinglow

Natural gas for heating bus depots, rail terminals, and logistics hubs

100–500 t CO2e / depot / year

Scope 2Indirect Energy

Electric Rail Tractionhigh

Grid electricity for electrified rail networks (passenger and freight)

15–25 g CO2/passenger-km (varies by grid)

Terminal & Port Electricitymedium

Electricity for airports, seaports, rail terminals, and logistics hubs (lighting, cargo handling, HVAC)

5,000–50,000 MWh / major airport / year

EV Fleet Chargingmedium

Electricity for charging electric buses, trucks, and delivery vans

30–80 kWh / 100 km (electric truck)

Reference Implementation

The Transportation reference implementation lives in the Open Footprint repository under the following directories:

openfootprint/industry/transportation/openfootprint/industry/transportation/air_freight/
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