The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons rising and falling, a crankshaft spinning, a steam-age architecture ...

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

In the 1920s, Felix Wankel thought that the conventional approach to engine design was not complicated enough and so, in a classic case of thinking outside the box, came up with his novel rotary ...

Car enthusiasts and car builders alike turn to crate engines for all sorts of reasons, whether it be for drag racing, muscle car restoration, or extreme street performance. These pre-assembled, ...

Almost every internal combustion vehicle on the planet today uses the classic piston engine. These run by converting heat energy into reciprocating motion, and then rotary motion that ultimately ...