London-based company AltoVolo is breaking the mold of air mobility with “Sigma”. This is a hybrid eVTOL featuring a thermo-electric propulsion system designed for vertical take-off from private, compact spaces like driveways, rooftops, or yacht decks. While it may be presented as yet another “flying car,” it actually departs from that label and isn’t aimed at short urban connections. Instead, it sets out to redefine the concept of personal flight With a width of 4.8 meters, a total weight under one ton, and a compact, aerodynamic design that resembles a…
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