biofuel
Boeing plans 'green' jet biofuel test flight
Air New Zealand, Boeing and Rolls-Royce will use biofuel made from the oil of jatropha plants on a commercial airline demonstration flight in December. The ‘green’ jet fuel will be mixed 50/50 with Jet A1 kerosene jet fuel and will power one of the Boeing 747-400’s Rolls-Royce engines.