Here's more info from the tdi forums:
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...