I have about 20 gallons of biodiesel that has been sitting on the side of my garage for 2 years. Anyone know if its any good still. Went threw the chicago seasons & the sun has hit as well. I did a google search and read about a year. Figured I'd ask the experts here. If not, how can I dispose of it? Thanks

The number I have read is "six months." I would not use something that has been sitting in the sun for two years. If you have some kind of consumer hazardous materials disposal place, they should take it.

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970

Its not a hazmat, its biodegradable fuel. Use it to kill some weeds, I wouldn't put it in any engine I own

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1995 E300 diesel

Thanks for the replies. I didnt it would kill weeds. Maybe thats why all the grass is dead around the containers. doh. Good thing too, I have a property that I need to redo the parking lot and it has a lot of weeds growing through it. Works out perfect.