Liquid fuel (6)
'liquid fuel' is the definition.
(I know that petrol is a type of motor fuel)
This is all the clue.
(Other definitions for petrol that I've seen before include "Fuel for road vehicles" , "Common motor fuel" , "Gasoline" , "The juice" , "Mineral oil refined as fuel" .)
'liquid fuel' is the definition.
(I know that kerosene is a type of liquid fuel)
This is the entire clue.
(Other definitions for kerosene that I've seen before include "Paraffin oil (E, not I)" , "Sore knee (anag.)" , "Combustible" , "Oil used as fuel in lamps and heaters" , "No seeker for American fuel oil" .)
'liquid fuel' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for paraffin that I've seen before include "Waxy flammable substance" , "Flammable wax" , "Petroleum product" , "Kerosene" , "Fuel oil obtained from petroleum or coal" .)