Table 4 Carbon emission factor coefficients of different traffic.

From: Impact of built environment on commuting carbon emissions using big data: a case study of Jinan’s main urban area

Traffic category

Mode of transportation

Carbon emission coefficient/(g/ person·km)

Carbon emission intensity

Private car commuting

Private car/Taxi

135

High

Public transport commuting

Bus/Unit shuttle/Metro

21

Middle

Green commuting

Walking/Cycling

0

Low

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