Strange engine configurations that never reached production always makes for interesting reading. Here are our favorites.

Both 787Bs were powered by 2.6-liter four-rotor engines that were detuned to 700 horsepower. Afterward, the FIA announced that rotary engines would no longer be allowed at Le Mans.

PI Americas has introduced several new families of motorized linear and rotary stages tailored for precision automation, ...

Dremel is the biggest name in rotary tools and I've found some great deals happening during Amazon's October Prime Days.

The iconic rotary car engine, thought to have been consigned to the dustbin of impractical technology, is making a comeback in Japan from the very automaker that introduced the system as far back ...

Mostly. The rotary engine became part of the soul of Mazda, and if it can be a bit flawed in operation, at least it has true character. And this low-mileage 2011 RX-8 for sale on Bring a Trailer ...

There's a hybrid system borrowed from Toyota, plus a copycat "strong hybrid" setup to come from within Mazda eventually, maybe with rotary engine power.

The 2009 Mazda RX-8 offers a unique driving experience in the automobile world. Not only is the twin-rotor 1.3-liter RENESIS rotary engine the only one of its kind, but no other car in the class ...

Mazda is once again manufacturing the rotary engine, but before you get too excited thinking it’ll be found in a sporty RX-7 successor, best temper those expectations. That’s because the new ...

Lucid Motors announced another capital raise via a share sale late Wednesday night as the California-based EV maker seeks further runway ahead of the release of its upcoming electric SUV. This clever ...