Every once in a while, a revolutionary new design or concept takes the automotive industry by storm. In the 2020s, it's been electric vehicles, but just a few decades earlier, the rotary engine was ...

A custom Mazda RX-7, equipped with a 2,000 HP Honda engine, has shattered records by reaching a verified top speed of 219 mph. This feat challenges the traditional Mazda rotary setups, demonstrating ...

How many rotors are too many? While most Mazda engine builders and tuners wouldn’t dare to build an engine with more than four rotors, a company out of New Zealand has built a six-rotor engine for the ...

The rotary engine is unique in its success and failure and its ability to make an impact with a completely different way of thinking. As it is, every production car for the last 130 years, aside from ...

Forbes contributors publish independent expert analyses and insights. Peter Lyon is based in Tokyo and writes about the car industry. At the Japan Mobility Show two years ago, Mazda unveiled a ...