Keen driver later hoped to go travelling (10)

I believe the answer is:

petrolhead

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'keen driver' is the definition.
The definition suggests a singular noun which matches the answer.

'later hoped to go travelling' is the wordplay.
'to go travelling' indicates anagramming the letters (letters travel around).
'later'+'hoped'='laterhoped'
'laterhoped' anagrammed gives 'PETROLHEAD'.

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(Other definitions for petrolhead that I've seen before include "Car lover" , "Motoring fanatic" .)

I've seen this clue in The Telegraph.

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