Posts Tagged: old fuel

Biodiesel; what happens when old fuel breaks down

Old bio-diesel, fuel system not flushed and cleaned enough

There have been a number of studies about biodiesel and how it degrades over time. Most biodiesel blends, B5 or B20, that we see in Oregon are a FAME (Fatty Acid Methyl Ester). We have found biodiesel will often degrade enough in 1 year to cause fuel system damage. This is faster than the laboratory… Read more »