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 ...
On a clear morning over the Mojave Desert in January 2025, a dart-shaped jet called XB-1 punched through Mach 1 and kept ...
But a date has still yet to be set for the X-59's first flight. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's revolutionary X-59 jet is ...