California startup JetZero’s ‘manta ray’ plane could change air travel forever: 250-seat Z4 aims to fly 5,750 miles and use up to 50% less fuel

California startup JetZero is innovating the aviation industry with a new aircraft featuring a blended-wing-body design, aimed at accommodating 250 passengers while optimizing fuel efficiency. Partnering with Japan Airlines lends operational insights to this ambitious endeavor. The plan includes testing a full-scale prototype by 2027 and commencing commercial flights in the early 2030s.