OSHKOSH—Piper Aircraft has partnered with jet-fueled, diesel piston-engine maker DeltaHawk to give future buyers of PA-44 Seminoles a way to bypass the looming U.S. transition away from leaded avgas.

China goes through the motions of honoring Western economic sanctions on Russia, and blames any drone components getting through Russia as the work of Chinese smugglers. These smugglers boast of their ...

The Chinese-made Weichai WP13H diesel engine, unveiled in 2024, broke a record for diesel engine efficiency with 53.09% BTE.

Multiple space agencies plan to return astronauts to the moon by the end of this decade. Along with commercial and ...

Determining which engine still in production is currently the oldest is no easy fact to discover because of the wide variety of engines. But we figured it out.