The tanks never got overgrown like this when they were still in use as John (my father-in-law) just didn't let that happen. He passed last fall after spending the previous five years in decline. Maybe more, it's getting harder to remember the specifcs now. I do know that the left tank is regular diesel and the right tank is purple diesel. Both are empty now. What fuel was left was stolen by thieves sneaking into the mostly empty (these days) yard to pilfer fuel. Now the overgrowth serves as a warning to not bother trying.