Challenged
Pattern Altitude
"Vick also said that all of its product line would be ready for “alternative fuels,” including the piston-powered Baron and Bonanza. He later re-iterated that the airplanes would be jet- or diesel-fueled in order to take advantage of availability of those fuels worldwide. Best news for those owning such legacy airplanes, Vick said whatever engine technology is used will be retrofittable to the existing fleet."
http://www.aopa.org/nbaa/2012/121031new-beechcraft-hints-at-reengined-bonanza.html
http://www.aopa.org/nbaa/2012/121031new-beechcraft-hints-at-reengined-bonanza.html