FILE - This undated image provided by Boom Supersonic shows Boom Supersonic Overture Aircraft. Aviation startup Boom Technology Inc. says it will power supersonic passenger jets with engines designed ...

DALLAS (AP) — Aviation startup Boom Technology says it will power supersonic passenger jets with engines designed by a company better known for making small engines used on drones and cruise missiles.

Add Yahoo as a preferred source to see more of our stories on Google. The two proposed adaptive engines that might one day power the Next Generation Air Dominance fighter have passed an important ...

DALLASDALLAS — Aviation startup Boom Technology says it will power supersonic passenger jets with engines designed by a company better known for making small engines used on drones and cruise missiles ...

DALLAS (AP) — Aviation startup Boom Technology says it will power supersonic passenger jets with engines designed by a company better known for making small engines used on drones and cruise missiles.

Two-stroke engines have steadily fallen out of favor over the last 50 years or so. While they sport great power-to-weight ratios and are often much simpler mechanically than their four-stroke ...