Hmm, I distinctly remember a few years ago that one major retailer
advertised that the 'midrange' and the 'premium' both had more
detergents and solvents than 'regular'.
Are you saying they lied? Not that I'd trust a gasoline company, but
I wouldn't expect them to lie where they could be caught.
I'm aware of at least SOME of the fed requirements, but a lot of that is
'clean air' BS, not detergent as such. Last March, when there was a
small shortage, I heard there were 38 separate formulations. And most
of those were seasonal. No wonder gas is so expensive!
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