The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

Internal-combustion engines are making impressive strides in rotational speed. The Lamborghini Temerario has a 4.0-liter twin ...

Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...

Rotary engines come in all sorts of shapes and sizes. They can be as large as this six-rotor unit powering a Mazda RX-4 drag car in New Zealand, or as small as this 2.4-cc single-rotor engine above.

Once left behind due to high fuel consumption and fragile reliability, the rotary engine, long championed by Mazda, is making ...

Chinese firm Dongan Auto revives the Wankel engine, developing a lightweight prototype aimed at next-gen aerial mobility platforms ...

Toyan, a company that makes working miniature engines, has made what is claimed to be the world’s smallest rotary engine. Despite its tiny stature, the 0.0024-liter engine can still howl. Purchased by ...

Thomas has spent two years working in the auto journalism industry, contributing to a UK-based newspaper and writing for Euronewsweek. A full-time writer and lifelong engineering enthusiast, he now ...

The assistant manager of Mazda’s powertrain development division, Yoshiaki Noguchi, has acknowledged that the automaker still dreams about building a new rotary-powered sports car. Mazda launched its ...

The rotary engine, previously a staple in Mazda's lineup, is an engine design that foregoes the round piston and singular chamber of a regular reciprocal internal combustion engine. Instead, the ...