Here you go guys, happy reading:
Lubricity Additive Study Results
Lubricity Studies with Biodiesel and Related Compounds
Quick summary from 1st study above, just the first 4 top solutions:
IN ORDER OF PERFORMANCE
1) 2% REG SoyPower Biodiesel
HFRR 221, 415 micron improvement.
50:1 ratio of baseline fuel to 100% Biodiesel
66.56 oz. of 100% Biodiesel per 26 gallons of diesel fuel
Price: market value
2)Opti-Lube XPD
Multi-purpose + anti-gel
cetane improver, demulsifier
HFRR 317, 319 micron improvement.
256:1 ratio
13 oz/tank
$4.35/tank
3)FPPF RV, Bus, SUV Diesel/Gas fuel treatment
Gas and Diesel
cetane improver, emulsifier
HFRR 439, 197 micron improvement
640:1 ratio
5.2 oz/tank
$2.60/tank
4)Opti-Lube Summer Blend
Multi-purpose
demulsifier
HFRR 447, 189 micron improvement
3000:1 ratio
1.11 oz/tank
$0.68/tank
Some of the rest actually worsened the baseline ULSD lubricity!