Carbon Footprint Methodology for Automotive Products
2.1 Definition of Scope
■Boundary of material production phase:
CATARC
中国汽车技术研究中心有限公司
China Automotive Technology and Research Center Co., Ltd.
Material accounting boundary: The system boundary of material production includes the acquisition and processing of primary materials and the
production and processing of recycled materials, while the equipment manufacturing, plant construction and other infrastructure involved in the
production and are not included in the boundary.
Taking steel as an example:
Material
Accounting
boundary
Default value
Unit
Steel
Including the main processes of iron ore mining, iron
ore beneficiation, sintering, iron making (BF), steel
making to the production process of relevant auxiliary
materials (metallurgical lime, metallurgical coke,
ferrosilicon), including the scrap steel recycling process
Pelletizing
2.38
kgCO₂e/kg
Ore mining
Benefic-
iation
Sintering
Charring
Scrap steel
Blast furnace ironmaking
Electric furnace steelmaking
Converter steelmaking,
refining
Steel
1. Material production stage
2. Components production
stage
3. Vehicle production stage
4. Vehicle use stage
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