Area without motorists around, bike in use again (7)
I believe the answer is:
recycle
'use again' is the definition.
(to recycle something is to use it again)
'area without motorists around bike' is the wordplay.
'without' indicates named letters should be taken away.
'motorists' becomes 'AA' (Automobile Association).
'around bike' becomes 'cycle' (synonyms. I am not sure about the 'around' bit.).
'area' with 'aa' taken out is 're'.
're'+'cycle'='RECYCLE'
'in' is the link.
Can you help me to learn more?
(Other definitions for recycle that I've seen before include "What Greens do" , "Make new use of" , "be green" , "Use (waste) again" , "Convert waste to new usage" .)