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[shorthair]

Originally Posted by Haz Tanker

That is correct for a number of reasons. Beside the fact most chains like Jiffy Lube and the like are selling the oil under contract because of the demand for the recovered product is the federal environmental cradle to grave regulations for large quantity generators. There are provisions under RECRA Managing Used Oil | Wastes | US EPA for what is know as a "conditionally exempt small quantity generator" or CESQG that appears on documentation for the products recovered from these generators. The regulations are very clear about chain of custody for the recovered products regardless of generator however the CESQG regs are pretty loose compared to large generators such as Jiffy Lube.
What does this all mean as far as using RMO (recovered motor oil, never "waste")? You probably can find some supply from CESQG sources but be aware, federal and state regulations are very real and if someone from an agency conected to the recovered product monitoring starts poking around it could get ugly. The main problem is the end use, you would not be a recognized end user registered with the EPA and the supply source is not a registered fuel generator, then you may run in to the road tax problem. For those of you making process rigs to clean up you oil to use it for fuel, be aware the sludge and water are very real "waste streams", choose your proper disposal methods and stick to the regulations, they don't joke around about this stuff.
Bottom line, quietly find some small generators, make a deal with them and keep it to yourself.

Gotta agree good advice.