US diesel engine developer DeltaHawk has begun flight-testing its first powerplant in a Velocity RG kitplane. The 120kW (160hp) DH160 is aimed initially at the experimental aircraft market, but Racine ...

OSHKOSH—Piper Aircraft has partnered with jet-fueled, diesel piston-engine maker DeltaHawk to give future buyers of PA-44 Seminoles a way to bypass the looming U.S. transition away from leaded avgas.

For most people, diesel engines equate to either pickup trucks or semis traversing freeways. However, what many of us do not know is that diesel engines can be used in aircraft, too. You would not ...

RACINE — DeltaHawk Engines, a Racine-based, privately held developer of general aviation engines, has announced investment from the Ruud family that gives them majority interest in the company.

RACINE -- It's a bird. It's a plane. No -- it's a diesel plane! Perhaps only aviation fans will appreciate the "diesel" distinction. But diesel aircraft engines mostly have been a lead zeppelin during ...