Fuel outlet’s latter options revised (6,7)

I believe the answer is:

petrol station

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'fuel outlet's' is the definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.

'latter options revised' is the wordplay.
'revised' indicates anagramming the letters.
'latter'+'options'='latteroptions'
'latteroptions' anagrammed gives 'PETROL STATION'.

Can you help me to learn more?

(Other definitions for petrol station that I've seen before include "Place to fill the tank" , "Fuel supplier" , "Filling up location?" .)

I've seen this clue in The Times.

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