WheelTug has begun work to complete development of its electric taxi system, after the FAA signed off on its certification plan. Aiming for FAA approval on the Boeing 737NG by late 2018, the startup is focusing on the benefit to airlines of time savings during pushback. Interest in electric taxiing soared when fuel prices were high, but has waned with cheap oil. Honeywell and Safran halted joint development of their Electric Green Taxiing System (EGTS) in 2016, citing dramatically lower ...


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