I have been investigating the relationship between the degree of saturation of FAME's and the potential for polymerisation both within B100 and between the esters and components of diesel (dino-diesel). Doesn't look good. There is a statistically significant correlation between the proportion of setting oils (linseed) in a mix and the fuel filter change intervals from the resultant esters. The fix may be as simple as preoxidation (air bubbling) and filtering prior to sale. I would like group members to renew discussion on the idea of a lift pump kit with cost effective prefilter. Not much point in reinventing the wheel!! Regards from Harry
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