Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

In an internal combustion engine, air and fuel are injected into the cylinders, where ignitions occur in a controlled environment. The combustion cycles force pistons to move, and that movement is ...

What makes a diesel engine different to a regular gas engine, and is one better than the other?

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 ...

Westport Fuel Systems said its H2 HDPI fuel system burns hydrogen in a modified internal combustion engine with almost no carbon emissions and performance superior to that of the base diesel engine.

Automotive engineers have invested countless billions trying to improve upon the humble internal combustion engine, but not all those efforts have translated well. In fact, sometimes, things got weird ...

GM Powertrain engineer John Rydzewski explains many of the features in the 2014 LT1 Corvette engine, including direct injection, continuous variable valve control, the rotating assembly, engine block, ...

Can Entry Ignition Save Combustion Engines? New Efficient Technology! How do Entry Ignition (EI) engines overcome the biggest ...

As the season-opener Australian Grand Prix gets underway on Sunday, here's a look at some of the most sweeping rule changes ...