From refinery, to delivery trucks, to your storage tank, chances for diesel fuel contamination are ever present -

The problem is that as fuel system requirements are becoming more stringent, actual diesel fuel quality is going down.

Maintaining diesel fuel quality and cleanliness has never been easy. To give you an idea of how long the industry has been dealing with this issue, a Caterpillar Operators Manual published 90 years ago stated “dirt and water causes 90 percent of all the problems with diesel fuel systems.”

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