DOWNLOAD THIS PHOTO ยป http://flighttraining.aopa.org FUTURE FLIGHT. The trainer you fly most likely drinks 100LL aviation fuel via a Continental or Lycoming engine. Some manufacturers have begun to look beyond the traditional toward diesel engine technology. The twin-engine Diamond DA42 VI shown here relies on two Mercedes Benz-derived E4-C engines and uses jet fuel. While the engines gulp down a bit more than you're accustomed to burning-16.5 gallons per hour total at 92 percent power in cruise-jet fuel is less expensive than 100LL, and there's no need to worry about a replacement for avgas. WHAT: Diamond DA42 VI WHERE: Frederick, Maryland PHOTOGRAPHER: Mike Fizer JUNE 2014 / FLIGHT TRAINING / 11http://flighttraining.aopa.org