Internal audit finds cost overruns and delays that mean more sustainable flight is nowhere near a runway

NASA’s Office of the Inspector General (OIG) on Wednesday released an audit of the agency’s electrified aircraft propulsion (EAP) flight demonstration projects and found all will likely experience schedule delays and cost overruns. The reports casts doubt on the technology’s ability to help the aviation industry reach government-mandated net-zero greenhouse gas emission targets by 2050.…