An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https://
means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Updated: 2024-08-01
|Harvested: June 27, 2025 at 10:59 PM
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...