fuel

Fuel cell

1) An energy conversion device that electrochemically converts chemical energy into electrical energy. Revolutionary new form of vehicle propulsion using a combination of hydrogen and oxygen from the air that produces energy silently and without combustion.

Duty free fuel

1) Diesel fuel (ie rebated heavy oil) on which reduced duty has been paid. Such fuel is commonly called gas oil or red diesel and is intended for use in off-road vehicles, contractors plant, farm vehicles, etc. It is illegal to use it in normal road vehicles - full duty-paid diesel fuel must be used in these.