3D printing for rocket engines is making a lot of headlines lately. In the last few weeks, we've told you about Aerojet Rocketdyne building and hot-firing a 3D-printed rocket engine and NASA's ...

Agnikul successfully fires dual 3D printed rocket engines. Four pumps power the system, each driven by an independent electric motor.

Mazda is no stranger to baffling car experts with an out-of-the-box engine design, and its latest patent continues this trend of innovation with interesting results. Their new six-stroke engine design ...

This test validates the engines' reliability under real firing conditions, a critical step toward Agnikul's Agnibaan orbital rocket.

Donut Lab, which unveiled a family of in-wheel electric motors at CES 2025, has spent almost a decade searching for one of the holy grails of the EV industry: in-wheel motors that actually work. These ...