Importance of fuel lubricity in diesel engines

With advancing environmental regulations, ultra-low sulfur diesel (ULSD) fuels have become the norm in many countries. However, the reduction of sulfur in the fuel can also reduce its ability to lubricate, posing a significant challenge to maintaining the durability and performance of diesel engines. This is where the HFRR (High Frequency Reciprocating Rig) analyzer comes into play.
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