Comment by tamcap

> It has a cruise speed of about 200 km/h (\(124\) mph), a payload of \(350\) kg (\(770\) lbs), and a range of approximately 300 km (\(186\) miles)

While it’s a real plane, I think we can both agree this is more of a prototype than what the general public would consider to be a passenger plane.

Yes, energy recovery is possible. It’s not happening currently in commercial aviation.