Hard to escape drama over energy and oil producer (3,4)
I believe the answer is:
tea tree
'oil producer' is the definition.
'tea tree' can be an answer for 'producer' (I have seen 'antiseptic producer' mean 'tea tree' so perhaps 'producer' could also mean 'tea tree'). I am unsure of the 'oil' bit.
'hard to escape drama over energy' is the wordplay.
'hard' becomes 'h' (abbreviation used in pencil classifications).
'to escape' indicates named letters should be taken away.
'drama' becomes 'theatre' (theatre can mean the world of drama).
'over energy' becomes 'e' (physics symbol as in E=mc2. I am not sure about the 'over' bit.).
'theatre' with 'h' taken away is 'teatre'.
'teatre'+'e'='TEA-TREE'
'and' acts as a link.
Can you help me to learn more?
(Other definitions for tea tree that I've seen before include "Rosie's origin" , "Australian shrub" , "plant down under" , "source of antiseptic" , "antiseptic producer" .)