Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram ...

The Quesst mission and a “silent” boom The X-59 sits at the center of NASA’s Quest mission, short for quiet supersonic ...

For the better part of the past century-plus, Rotax has been one of the most prominent names in the small aircraft engine market. While the company has changed its base of operation several times ...