Casaleenie
Used to the same as you when I lived in Colo--now the environmentalidits have control--you have to take it to a qualified recycle center yourself now-
Don't even ask about Washington---I used to have to drive 90mi rt to dispose of my boat's diesel
oil(8 quarts + 2 filters)and pay $25 to boot
Just wait they environmentalidits will soon discover you in Ohio
then your curbside
oil disposal will be a nitemare