An efficient propulsion system, developed by a Tennessee-based company, is soon expected to power a single-seat glider.

Whisper Ultralight is an Aeriane Swift3, foot-launched glider modified with quiet electric ducted fans. Credit: Whisper Aero Whisper Aero has received funding to help modify a glider to flight ...

That’s why Cecilio Barberán was able to fly a powered glider last year with no avgas. Instead, his HK 36 Super Dimona carried a 200-pound hydrogen fuel cell that ran an electric motor to turn ...