There's a new acronym floating around the performance industry—GDI—and it stands for gasoline direct injection. Among domestic production engines that have jumped heavily into the GDI segment are the ...

CEO Gernot Döllner told Car and Driver that faltering EV sales and strong interest in gas are leading Audi to be more ...

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 ...

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 ...

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.

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, ...

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

The introduction of RON 95 alongside E20 is intended to stabilise combustion as ethanol content rises. RON, or Research Octane Number, measures a fuel’s resistance to knocking. Higher octane fuel ...