The Honda Chimney Engine represents a bold leap forward in engine technology, integrating a valve within the piston and ...

General Motors has long flirted with the idea of a mid-engined Corvette, and it finally rolled it out with the C8. But before ...

The rotary engine may have mostly been abandoned for the piston design found in most conventional car engines, but a couple ...

In 1954, Wankel finished designing a rotary piston engine for NSU known as the Drehkolbenmotor (or the DKM). This rotary-valve-controlled 250cc motorcycle engine was based on the company's Lux and ...

On this feature of the FRAME, we explore the Production line of rotary engines Mazda MX-30. Check out how these ...

Every story dealing with a new rotary engine from Mazda lands in a different place on the matrix of possibilities between "Coming soon!" and "Never gonna happen!" In 2011 it was speculated that ...

A new rotary engine for Mazda sports cars is entering development, and could bring all sorts of groundbreaking tech to the RX-7's successor.

Felix Wankel’s rotary engine is an engineering marvel because of its simplicity. Rather than the conventional pistons, camshafts, valves, and lifters, his design has a roughly triangular-shaped ...

Codenamed R130 and marketed as the Luce Rotary Coupe, the new model was powered by a 1.3-liter 13A Wankel engine that made a healthy 124 hp.

Another day, another Mazda rotary engine story, except this time, it’s from the automaker itself instead of a third-party speculator. Mazda announced a new ...

Mazda explicitly says that the rotary engine development group consists of 36 engineers who have previously worked on state-of-the-art powertrain systems.

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.