I beg to differ, the new class of GF6 oils use ionic liquids as additives which are more environmentally friendly. Tribodyn for example makes a fantastic oil which uses both ionic liquids and nanoparticles that are bio-degradable.
I generally agree though, don't be an asshole, dispose of your oil properly, help Valvoline make more oil to sell back to you by dumping your oil at your local auto parts store.
Well, you are kinda paying the oil company to clean the oil for re use with that logic.. but I am not sure how overpriced it is compared to if doing it yourself.
Well they spent about $130 million for their processing facility, so if you can do it cheaper, they'll pay you handsomely.
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