After decades of usage, Mazda discontinued the rotary engine in 2012. Now, many people are wondering if the company has plans to bring it back.

YouTuber Warped Perception built a transparent Wankel rotary engine in his shop, and the resulting footage of the combustion process is absolutely stunning.

Peering into the guts of a rotary engine teaches you what makes it live, and why it had to die.

"Animated Engines" which can see GIF animation of 21 kinds of engines including rotary, 4 stroke, steam engine etc ...

This inside-out design solves most of the rotary engine’s problems LiquidPiston's designs will show up first in UAVs and generators.

Through the 1980s and 1990s the only rotary-powered car sold in the US market was the Mazda RX-7 although Mazda did offer the engine in other Japanese-market models.

A new spin on the internal combustion engine by startup LiquidPiston aims for a leap in efficiency from 20 percent to 50 percent.

Normal engine oil has been added to the fuel as a precaution as well. The fact that it smokes quite badly isn’t a surprise and only proves that the design will benefit from another iteration.

It looks like Mazda is finally bringing back the iconic rotary engine, just not quite in the way that most folks had hoped for.

Dahm's latest project is to swap an NA Miata's four-cylinder out for a compact rotary engine. But unlike other rotary swaps, that usually use a 13b dual-rotor out of an RX-7, Dahm is using just a ...

The rotary engine is officially dead. For now. Bloomberg reports that Mazda built the last of its unique powerplants last Friday, ending a 45-year run. The automaker announced last year that it ...