If you think this is going to enable anything that resembles "cheap", think again. IF it works, this is going to be exclusively for rich people to avoid traffic

If you think this is going to enable anything that resembles "cheap", think again. IF it works, this is going to be exclusively for rich people to avoid traffic jams. Electric is plain and simple a no-go for aircraft, the specific energy is nowhere near sufficient to actually make an impact. See e.g. the Airbus E-Fan X cancellation, and their subsequent switch to hydrogen research. And it makes sense if you take a closer look at the development in battery technology, you will see that although $/kWh has gone down fast, kg/kWh has been essentially unchanged for over a decade. That is if you ignore numbers in university press releases but look at what is available commercially on the pack level for a safety critical application.