In the 1960s, two straight-six engines were pitted head-to-head: The Chrysler Slant-6 and AMC Inline-6. Both sold well, but ...

"No replacement for displacement" was the motto that produced some large powerplants during the exciting muscle car era. Nevertheless, this motto was taken to another dimension in the case of these ...

The original concept of combustion engines as we understand them dates as far back as the late 1800s. And while they are more or less a solved science today, they definitely didn't start that way.

There are three fathers of invention when it comes to nearly every car on the road today: Otto, Diesel, and Atkinson. They all had one thing in common—a drive to improve the efficiency of the engines ...

Several days into it, the ongoing auto show in Shanghai, China, continues to capture the attention of the automotive world. The time that has passed since the event opened its doors allowed us to go ...

Miller cycle engines -- like those once used by Mazda -- make less power more efficiently by holding the intake valve open ...