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Aviation Week Network2h
Piper, DeltaHawk Partner To Replace Seminole’s Piston Engine
OSHKOSH—Piper Aircraft has partnered with jet-fueled, diesel piston-engine maker DeltaHawk to give future buyers of PA-44 ...
ecoportal.net20h
America unveils self‑rotating engine ― You won’t believe it needs no traditional fuel
Instead of relying on gasoline or diesel, it harnesses innovative mechanics to generate ... Avadi’s prototype uses a single ...