[quote=&quot;BuckeyeJoeG&quot;:1u3pmrmf]... also, it is my understanding that, the lubricity of B20 is higher than regular off road diesel, and especially the lubricity of low sulfer on road diesel.[/quote:1u3pmrmf]

Yep.  I will only run a Bio-blend in my TDI VW Beetle for that reason.  Seen way too many leaky pumps due to the ULSD.