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Fuel use - air - ornl
Fuel use - domestic, internation, jet, aviation -
Fuel use - water - ornl
Fuel use - by fuel type, by vehicle type -
Fuel use - rail - ornl
Fuel use - freight, passenger, fuel type, operation type, vehicle type -
Load factor - road - ornl
Load factor - by vehicle type -
Carbon coefficients - intermodal - ornl
Carbon coefficients - by energy source, by fuel type -
Vehicle Fuel Economy Data & CO2 emissions - road - kapsarc
Vehicle Fuel Economy Data &CO2 emissions - vehicle type, fuel type