As fuel quality is critical to keep Tier 4 engines running smoothly, and the U.S.-based
The AEM Get CLEAN on Fuel infographic outlines five key actions that help protect Tier 4 engines “because while the new engines reduce diesel emissions and protect our health and the environment, the fact is they are rather finicky about fuel,” said William Bernhard, AEM technical and safety services manager.
Bernhard explained that today’s Ultra-Low Sulfur Diesel (ULSD) is very different from the diesel of just a few years ago.
“Among other things, it is subject to change and contamination as it moves from the refinery to the engine, making storage, temperature, age and filtration, and related factors critical in maintaining fuel quality,” said Bernhard.
AEM member company experts came together through the Association to develop the guidelines as a way to spread more awareness of the importance of diesel fuel quality.
5 Steps to Maintain Fuel Quality
The new AEM fuel-quality infographic relays 5 quick tips using the CLEAN acronym, accompanied by actionable guidelines:
C - Commit to understanding your T4 engine
L - Learn the facts about today’s fuel
E - Evaluate your fuel source and fuel handling
A - Always follow manufacturer guidelines
N - Never take your role for granted
You can download the complete infographic from
