Jeffrey Harmening

Jeff Harmening, API
Jeffrey Harmening, Senior Program Manager EOLCS/DEF, American Petroleum Institute
American Petroleum Institute
https://www.api.org/

Jeff Harmening has been with the American Petroleum Institute (API) since 2010 supporting the Engine Oil Licensing Certification System (EOLCS) and Diesel Exhaust Fluid (DEF) Certification Programs. He also supports the Aftermarket Audit Program (AMAP) which purchases and test thousands of engine oil and DEF samples globally to ensure conformance with required specifications.

More from Jeffrey Harmening
Training technicians and service people in specific applications is essential to avoid misapplication that could potentially result in expensive engine damage or voiding of manufacturer warranties.
Tips for Storing Engine Oil
Avoid costly errors regarding your engine oils and be sure to properly store and label oils clearly to help prevent misapplication.
September 21, 2023
Def Tank On Truck
5 Tips to Safely Purchase, Handle and Store Diesel Exhaust Fluid This Summer
Five tips to help you safely purchase high-quality, API-certified DEF and to handle and store it in a way that protects it during the warm weather months.
June 15, 2020
Dscn1129
Tips for Purchasing and Storing DEF to Preserve Quality
How you purchase, handle and store API certified diesel exhaust fluid impacts its quality and its ability to keep equipment running smoothly
March 6, 2019