Jeffrey Harmening

Jeff Harmening, API

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.

From the Author
Oils, Lubricants & Greases
Tips for Storing Engine Oil
American Petroleum Institute
Avoid costly errors regarding your engine oils and be sure to properly store and label oils clearly to help prevent misapplication.
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.
Fleet Maintenance
5 Tips to Safely Purchase, Handle and Store Diesel Exhaust Fluid This Summer
American Petroleum Institute
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.
Def Tank On Truck
Diesel Engines
Tips for Purchasing and Storing DEF to Preserve Quality
American Petroleum Institute
How you purchase, handle and store API certified diesel exhaust fluid impacts its quality and its ability to keep equipment running smoothly
Dscn1129
Page 1 of 1