USEEIO Models with Import Emission Factors for Greenhouse Gases for 2017-2022 from EXIOBASE coupled model
These data are fully described in the associated EPA report. 
The Import Shares (ISs) are provided in a single Excel file covering all years. 
The Import Emission Factors (IEFs) are provided in csv files by year and by level of commodity classification, with names starting with "US_detail_import_factors" for …