Expired DEF has many potential negative side-effects, including a damaged SCR system, rough idling, increased emissions, and ...

Researchers create a flexible ultrasonic device enabling wireless charging underwater and inside the human body.

The Wärtsilä 25 ammonia engine, which is available as part of the Wärtsilä 25 engine platform, was developed based on ...

From coffee brewing in the galley to flushing toilets, the aircraft water and waste system is a self-contained hygienic marvel.