Bosch is developing a sensor box " brain " for the autonomous air taxis of the future . While announcing the sensor box, Bosch cited a prediction from the Boston Consulting Group that people around the world will take one billion flights in so-called 'air taxis' in 2030. Companies including Boeing , Uber and start - up Lilium are aiming to develop fleets of small airborne electric vehicles , which can be summoned by a mobile app for short journeys across cities . Bosch 's sensor box is based on technology used in self - driving cars and can be used on most autonomous electric vehicles . Air taxis will appear in major cities from 2023 , while there will be 1 million air taxi flights in 2030 , the Boston Consulting Group has predicted .
Bosch is developing a sensor box " brain " for the autonomous air taxis of the future . Companies including Boeing , Uber and start - up Lilium are aiming to develop fleets of small airborne electric vehicles , which can be summoned by a mobile app for short journeys across cities . Bosch 's sensor box is based on technology used in self - driving cars and can be used on most autonomous electric vehicles . Air taxis will appear in major cities from 2023 , while there will be 1 million air taxi flights in 2030 , the Boston Consulting Group has predicted .