NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

A four-stroke engine is a magnificent thing. A complex machine capable of turning flammable liquid into useful work, it has dominated the automotive world for the best part of a century. Now, thanks ...

Germany-based Everllence has upgraded a research-engine test bench at its Augsburg site to enable ...

Some agree that batteries are the clear winner in the race against hydrogen technologies, while others think the opposite. There's no such debate among internal combustion engine proponents. Almost ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Because internal combustion engines operate under such high pressures, it's tough to get their inner workings on camera. Usually the whole process is shrouded by thick metals to contain all of that ...

The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.