08 May AltoVolo Sigma Hybrid eVTOL: 500-Mile, 220 MPH Air Taxi Alternative
1. A Clean-Sheet Vision for Personal Air Mobility AltoVolo positions Sigma not merely as another entrant in the crowded eVTOL race but as a “vertical hybrid jet” that outflies both battery-only craft and legacy rotorcraft in a single stroke. Industry analysts note that the three-seat aircraft...