Business Green: The world’s first commercial aviation test flight powered by a sustainable second-generation biofuel will take place on 3 December 2008 it was announced this week. The flight will be powered by a 50:50 blend of standard jet fuel and kerosene derived from jatropha oil. The fuel will power an Air New Zealand Boeing 747-400 with four Rolls-Royce RB211 engines and will be virtually indistinguishable from conventional jet fuel, according to Chris Lewis, fuel specialist with …