The most famous rotary engine in motorsport history is coming to America. Mazda Motorsports will headline the 2026 Rolex ...

Top 10: Totally bizarre engines fitted to aircraft ...

It’s been over a decade since Mazda showed off a hydrogen rotary engine, but the lessons in engineering linger to this day. When it comes to engines, the Wankel rotary is one of the lightest and ...

The rotary's reliability problem was mostly an owner problem. Here's the disciplined playbook that keeps FC 13Bs alive.

A unique selling point of cars with “explosion” engines (internal combustion) is our visceral reaction to the sounds they make. Even when you’re standing blocks away from the Woodward Dream Cruise, a ...

When considering rotary engines, the Wankel engine often comes to mind due to its high power-to-weight ratio, though it suffers from drawbacks in fuel economy, emissions, and durability. In contrast, ...

Reports of the death of the internal combustion engine have been exaggerated. Electric vehicles were once poised to diminish the ubiquity of traditional engines, but automakers are booking huge losses ...

Citroën is one of the oldest automakers on the planet, having been founded by André-Gustave Citroën in 1919. Today, Citroën is owned by Stellantis, and while it's still going strong in most global ...

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...

Mazda 13B rotary engine in a white Mazda RX-7 engine bay. - TTTNIS/Wikimedia Commons When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, ...

The rotary was the most radical rethink of the combustion engine in over a hundred years — and it paid the price for being different. Mazda introduced the innovative Wankel rotary engine in the 1967 ...

Rotary engines have always stood apart from traditional piston designs, earning both admiration and skepticism in equal measure. Known for their high-revving nature, compact size, and unmistakable ...