Carbon Emission Accounting Method of Urban Transportation Considering Power Grid Impact
Since there is no unified standard for urban transportation carbon emission accounting,it is nec-essary to scientifically assess transportation activities to study effective carbon emission accounting meth-ods.Firstly,this paper summarizes the characteristics,adaptability,and both input and output parameters of existing carbon emission accounting method.The application scenarios,advantages and disadvantages of different methods are analyzed.Considering the life cycle carbon emissions of upstream power grid and downstream consumption end transportation activities in a coordinated manner,carbon emission account-ing models for fuel-powered and electric vehicles are proposed based on the data of urban internal and ex-ternal transportation activities,respectively.Then the corresponding carbon emission accounting method at the urban transportation scale is established.The effectiveness and practicality of the proposed method are further verified through the case study of Yantai,and thoughts in carbon reduction are put forward from three aspects:improving private car electrification,enhancing the quality of public transportation service,and encouraging the transfer of freight transportation from road to rail.
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