Fuel from Chicago, Illinois (3)

I believe the answer is:

oil

'fuel' is the definition.
(oil is a type of fuel)

'from chicago illinois' is the wordplay.
'from' says the answer is hidden in the clue.
'OIL' can be found hidden inside 'chicago illinois'.

(Other definitions for oil that I've seen before include "Viscous substance for lubrication" , "Anoint" , "Crude" , "What can be extracted" , "Fossil fuel" .)

I've seen this clue in The Sun.

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