Photo: Bugatti Automobiles S.A.S. Though ICEs have evolved tremendously during the last century, most of the units that powered production cars share many similarities. However, a few companies ...

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

The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

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

While there have been many unusual engine designs over the years, there haven't been many advancements involving the inner workings of the piston engine, except for higher-quality components, since ...

As the automotive propulsion industry shifts toward electrification, the last-of-breed combustion engines are a stultifyingly similar bunch, focused around the same CAD-optimized 500cc cylinder ...

Few things satisfy motorcycle enthusiasts more than hearing a beautiful engine, whether it's cruising the interstate or tearing up the track, and few motorcycle engine sounds are as instantly ...