Could vertical take-off electric planes replace cars in our cities?

Nasa and a host of aviation startups are developing aircraft that could transform the way we travel, with lower emissions and runway-free landingsHow will you commute in 2030? Join our live debate today 1-2pm (GMT)
The end of the jet age could be in sight. Innovative new electric aircraft are starting to find their way off the drawing board and onto runways, funded by startups, government agencies and the world’s biggest jet makers. They promise flights that are cleaner, quieter and safer