Four-cylinder engines have long been seen as inferior to powerplants with more cylinders, such as inline-sixes and V8s. But ...

If you are not at least moderately informed about how engines work, you may still be aware that they all require water, or antifreeze, in order to function. It is true that some form of coolant is ...

"Air cooling" is a bit of a misnomer, since air alone couldn't cool the Porsche 911. A variety of supplementary devices ...

Air-cooled engines were once commonplace in the auto and moto industries. The most well-known were the Porsche flat six, VW flat four, Corvair, and numerous motorcycle engines, from BMW to ...

The lightweight showdown: Has downsizing gone too far, or is the three-cylinder engine the future of entry-level motoring? Inline-fours offer smoother operation and reliability; three-cylinders are ...

Refrigeration today is something we can easily take for granted. But in the early 1800s, there was one entirely different ...