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.

Not a lot is known about the Norton F1R, as evidenced by its very short and very dry Wikipedia page. But what we do know is ...

The engine itself features a novel design that's kind of like an inside-out Wankel rotary engine, and delivers a jaw-dropping power density of up to 1.5 horsepower per pound. At 210 lb ...

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

One-off Pininfarina NSU 2 Porte + 2 with a Wankel engine is heading to auction soon ... RM Sotheby’s is handling the sale of this automotive curiosity, noting that it features a sliding roof ...

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 ...

Alfa did trim down the Tonale's model offerings for the US in 2025. Instead of Sprint, Ti, and Veloce models, there is now ...

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. In the U.S. and Japan, where Mazda has ...

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 ...

The company produced its first tractor-mounted hedge cutter and now has a range that covers everything from rotary mowers to disc aerators. Auto Trader Farm is the best place to come to find great ...

Prices shown for the used 2005 Mazda RX-8 Coupe 2D Touring with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.