Yeah, they are just those 5-gallon cube containers that restaurants receive their cooking oil in. Pretty sure it's HDPE, no.2 recyclable.

Okay, whew.. guess I got myself worked up over nothing.

What do you use to stabilize biodiesel, and prevent degradation?

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-1985 300TD - 324k mi on chassis. MB "Tauschaggregat" 617 motor + 4-speed conversion
Alaska Roadtrip 2009
-2002 E320 Wagon - 197k mi
-1998 E320 Wagon - 310k mi - retired