Automobile fuels; fuel; fuel for lighting purposes; fuel for motor vehicles; fuel for use in barbecues; fuel gas; fuel mixtures; fuels; fuels for cooking; fuels for heating purposes; gas (fuel); gas fuels; gaseous fuels; gases for use as fuel; motor fuel; non-chemical additives for fuels; smokeless compositions for use as ingredients of fuels; smokeless fuels

Fuel conversion apparatus for internal combustion engines; fuel economisers for motors and engines; fuel ignition apparatus; fuel injection apparatus for internal combustion engines; fuel injection devices for internal combustion engines; fuel injection systems for engines; fuel injector pipes for use in diesel engines; fuel injectors for engines; fuel injectors for internal combustion engines; fuel mixing devices; fuel systems for internal combustion engines; gasifiers for gaseous and/or liquid fuels for internal combustion engines