G12 MD-FC/4Wheel Drive HyBrid or Electric Push Back.110v On-board Chargers.Optional diesel gas or Propane/CNG Engines.Designed for Rj's,Globals and G550 aircraft. Cahssis Available for Fuel Trucks Hy-lifts,Catering and Deicing. Models can be orderd with 4 wheel steering and in standard configuration,4 passenger cabover and 6 wheel Drive.