It seems that progress is being made in the area of alternative aviation fuels. With any luck, innovations like this jatropha fuel will help to reduce fixed costs and the world’s reliance on a handful of unstable nations for their transportation necessities. Of course, with reduced costs to the operators, customers will also be able to afford more travel and transported goods will become cheaper as well, thus providing a true economic stimulus. Trickle-down works, people, and it’s driven by technology. I wonder what the helicopter market is like in New Zealand….