Jump to main content or area navigation.

Contact Us

Emission Standards Reference Guide

EPA US06 or Supplemental Federal Test Procedure (SFTP)

Graph of the EPA US06 or Supplemental Federal Test Procedure (SFTP) driving cycle

This page is maintained by EPA's Office of Transportation and Air Quality (OTAQ).
For more: About Us | Get E-mail Updates | Browse the A to Z Subject Index.

Jump to main content.