Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...

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 ...

You're probably familiar with the standard combustion process that powers most cars, but some engines use a more efficient ...

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 ...

If your car feels down on power, a trip to the garage might be in order, but checking these things before you go could save ...

Everllence marks a major breakthrough in green shipping with the successful 100% hydrogen testing of its 35/44DF H2 engine.

There are a lot of strange automotive designs out there, but this defunct engine from the '70s may just be the weirdest one ...

Electric vehicles are taking the world by storm and the internal combustion engine’s fate looks sealed, but there’s still life in the old gas-burning power plant. At least that’s what Astreon ...

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 ...