Despite the original diesel fiasco in the 2010s — and the five automakers facing their own Dieselgate trial in the U.K. this year — diesel engines have definite benefits over their gasoline-powered ...

The University of North Dakota is buying up to 188 new Piper aircraft for its pilot training program Piper Aircraft brought a section of a Seminole wing to EAA ...

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.

Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram matter in the air. Yet as manufacturers push these powerplants into more ...

Just as with the automotive industry, there are a variety of aircraft engines designed to run on various types of fuels. Even electric planes are something we're likely to see more of in the future.

Diesel engines are a rarity in aviation history, but they've carved out an interesting niche. While most aircraft rely on gasoline-powered piston engines or jet turbines, diesel has offered some ...