Which bin for engine oil?
Usual answer in the UK
The tip Household waste recycling centre (the tip)
Used engine oil must go to the tip's oil bank. Never pour it down a drain.
Does every council do this?
Most councils follow the answer above, but bins and sorting rules are set locally, and a few councils still do things differently. If your bin has a sticker, or your council sent a leaflet, follow that. Enter your postcode to go straight to your council's guidance.