The Iconic SP remains a passion project at heart, though budget cuts and business challenges could slow its path from concept ...

Bruno started at Top Speed in 2022 and now serves as Senior Editor for ICE while also training writers across CarBuzz, HotCars, and TopSpeed. A car and motorcycle enthusiast, he enjoys writing about ...

A German engineer, Felix Wankel, is credited with developing the world's first rotary engine in the 1950s. Wankel rotary engines use a triangular rotor spinning in a semi-oval case on an eccentric ...

The Mazda SP, unveiled as a concept at the 2023 Tokyo show, might not make it to a production version after all.

Apex seals typically fail due to a lack of lubrication. If given adequate oil, apex seals can last for a relatively long time ...

The rotary engine has been a Mazda staple since 1967. It powered one of the most famous and eccentric Japanese sports car line-ups, the RX-series, until 2012 when Mazda discontinued pure ...

Fewer than 38,000 of NSU’s revolutionary Ro80 models were built in the 10 years between its debut late in 1967 and the day in 1977 that NSU’s corporate parent, Volkswagen-Audi, turned the factory that ...

The rotary engine is perhaps one of the most polarizing motors to have ever been commercialized. From its checkered past to its intent to live on as a range extender, the small spinning triangle has ...

Developing a gasoline-powered rotary engine was a dream for Felix Wankel, and we mean that literally. Some steam engines worked on the same basic principle as far back as the 18th century, but the ...

After years of false hope, Mazda is finally building a mass production model with a rotary engine. That’s something that hasn’t occurred in over a decade as the RX-8 was discontinued in June of 2012.