Home Hybrid Aircraft GE, XTI to Collaborate on Hybrid Propulsion Solution for TriFan 600 with... GE, XTI to Collaborate on Hybrid Propulsion Solution for TriFan 600 with GE’s New “Catalyst” Engine 25 Jul 2019 | Hybrid AircraftNews GE, XTI to Collaborate on Hybrid Propulsion Solution for TriFan 600 with GE’s New “Catalyst” Engine The two companies will work together to define a series hybrid architecture