Training Jet Jumpstarts a New Era of Green Flight

Something's cooking 17,000 feet over the Nevada desert, and, despite
what passing geese may smell, it's not french fries. It's Green Flight
International's BioJet, a 39-year-old Aero Vodochody L-29 Delfin with a
single-stage turbojet that was engineered to burn anything from pump
gas to home-heating oil.