On Tue, 9 Oct 2018 15:18:29 -0400, K120
wrote:

I found this newsgroup but it seems to be only spam but I'll ask anyway.

My trash company on Monday wrote "motor oil only" on my half-dozen milk
jugs with red transmission fluid in them.

Where do you dump used transmission fluid in the USA?

I take it to my friendly local transmission shop. Just like I take my
used engine oil to the local "Canadian Tire" outlet where I buy my new
oil