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

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for ...

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

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 ...

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 ...

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 ...