Certification Requirements Approved Additives

To become a "Tier4 Fuels" approved additives, your company will need to send certified lab results to our office for review.

You will see required ASTM Testing Standards required to become Tier 4 Fuels approved on our home page of this website.

Click on the Tier 4 Fuels logo towards the left-hand bottom of the  Home Page and it will show you the testing requirements needed.

Link:   https://tier4fuels.com/testing-information-1