Sell your car. If you can part with both arms, here is what I am suggesting. WING TRANSPLANT. You read right, wing transplant. There aren't many people who will do this procedure as it is quite complex, but the benefits far outweigh the negatives. As far as future projections, cost wise, you would not be doing much maintenance, but as a precaution and nearing the end of the wings useful life, certain measures must be taken (wing maintenance). You say convert TDi to vegetable oil. I say eat vegetables (carrots, snow peas, bok choi even) and fly farther, faster. SPEED AND EFFICIENCY for the rest of your life.