Pump option (7)
'pump option' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for premium that I've seen before include "Great value - bonus" , "Higher price - better quality" , "Insurance charge" , "Additional cost" , "Sum paid for insurance" .)
'pump option' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for diesel that I've seen before include "Rudolf __ , French-born German engine inventor, d.1913" , "See lid for the engine" , "Liquid fuel" , "Fuel for heavy vehicles like lorries" , "Motor fuel" .)