You see a plane, you expect to hear an engine. But gliders are a different breed of aircraft, representing flight in its purest form. They are frankly a testament to just how far clever engineering ...

Speed, efficiency, and altitude are the name of the game when it comes to aircraft; all of which benefit from smaller engines. "There's no replacement for displacement" applies less to piston-engine ...

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 ...