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 ...

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 ...

Even veteran fliers may not have journeyed on a propeller plane before. For some, they may be seen as something of a relic, left behind as the world embraced the great, screeching roar of the jet ...