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

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

A modernized version of the rotary engine is being commercialized, and this one won't chew up apex seals. Rob Stumpf Apr 6, 2023 4:30 PM EDT 0 ...

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 ...

The post features an image of the first car Mazda ever built with a rotary engine, the 1967 Cosmo, sitting in front of a cutaway of an engine. According to Autocar, the accompanying text says ...

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

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.

They used various rotary engines in many of their cars, before they finally put it out of production this year, along with the RX-8.

But rotary engines deliver poor fuel economy; the last RX-8 earned 16 mpg in city driving, a figure that would disappoint coming from a full-size truck in 2022. And if Mazda intends to build this ...

This engine is a follow-on to an earlier 3D printed air-powered Wankel rotary engine, and we’re looking forward to part two of the liquid piston series. Video after the break. Continue reading → ...

Part 2: Must-read advice from expert Jim Mederer for anyone interested in a rotary engine. From the July 2010 issue of Modified magazine.