Vetus D-LINE VD4.120 Operation Manual page 117

11 Operating media
Fuel
Biodiesel
C
aution
Use only the prescribed diesel fuel or diesel blends. Do not use 100%
biodiesel (B100)!
Although the use of biodiesel is allowed in diesel blends with up to 7%
FAME (Fatty Acid Methyl Esters) (B7) fast degradation of the biodiesel
should be taken in account.
Problems caused by using FAME of poor quality or degraded fuel are
not covered by warranty.
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