On this feature of the FRAME, we explore the technology of the manufacturing processes behind Mazda’s Rotary Engine. Do you ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

Mazda is developing two sports cars, including an RX-7 successor and next-gen MX-5. The rotary-powered model may debut next year with a range-extender hybrid powertrain. The upcoming MX-5 is still ...

Chris Bruce has worked in the automotive industry since 2011 and has written thousands of stories about cars, motorsports, and motorcycles in that time. He has written for Autoblog, Autoviva, CarFax, ...

Michael Arsenaeu designed the Avadi engine 20 years ago in the hopes of creating an entirely new engine design to be efficient as well as reduce emissions. In 2015, Avadi began the build and ...

Most vehicles use a piston engine similar to the one-cylinder, four-stroke motor in the first car ever made, Karl Benz's Patent Motorwagen. Lately, a more fuel-efficient and emissions-friendly engine ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

Almost every internal combustion vehicle on the planet today uses the classic piston engine. These run by converting heat energy into reciprocating motion, and then rotary motion that ultimately ...

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...