I doubt that we'll gather too much Veggie Oil. I was thinking Quart or so containers. I'll ask him and see what he can carry. I know he is gathering and cleaning and whatever at his stops.
He has a 300TD wagon, with roof racks, but that is a really good question.

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1986 Euro 500SEC "RUF" 9:1CR, "Rose"
1985 Euro 500SEC Cabriolet AMG Widebody
1982 Euro 500SEL "Blue"
2001 Texas Heeler (Aussie/Queensland X) "Sulphie",
2012 Queensland Red Heeler "Squeak"
Best dogs I've ever had.