Certifications

Terra Environmental Technologies Inc. (TET), an indirect wholly owned Terra subsidiary, has received certification of its TerraCair® Ultrapure Diesel Exhaust Fluid (DEF) from the American Petroleum Institute, the only national trade organization that certifies the quality of DEF to international performance standards. The certification recognizes that TerraCair® Ultrapure DEF meets the stringent quality standards that engine manufacturer service warranties specify must be used.

We're proud to have earned the API's certification. We believe this certification should help guide your buying decision. To ensure that your vehicle's warranty stays valid and protect the integrity of your vehicle please make sure the Diesel Exhaust Fluid (DEF) you purchase has the API certification sticker on it.