The rotary engine makes a comeback for cars and drones as gasoline gains popularity as a complement to electric motors.

Both gasoline-burning engines and diesel engines produce power through a process of internal combustion. However, the latter are usually larger, louder, and often dirtier. While many people may not ...

The internal combustion engines that power our cars rely on an extensive series of interconnected parts, mechanical systems, and electronics to send us down the road. Some of those components are well ...

Ford once sketched a road where an engine's pistons never saw oil and engines ran hotter on purpose. In a late‑1980s patent application filed and granted in Europe, the company described an "uncooled ...