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Diesel Fuel Additives Explained: Do They Actually Help?
Next is the cetane number, as the diesel must have a cetane number of at least 47 to qualify as premium fuel. Third comes lubricity, as all premium diesels must have a max wear scar diameter of 520 ...
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Buyer Beware: Let the Anti-Gel Debates Begin
According to ASTM standards, #1 or #2 diesel fuel test results should not exceed 460 microns of wear in HFRR tests. The lower an additive’s HFRR score, the better the product’s lubricity.