Mazda has made it clear that combustion engines are still part of its plans, and Skyactiv-Z is the strongest proof yet. This new 2.5-liter four-cylinder follows Skyactiv-G and the less successful ...

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 ...

With a stretched body and more interior tech, the new CX-5 promises more space but gives up the optional turbo engine that we liked in the previous model.

Mazda's CX-60 may be available with a four-cylinder engine now, but the inline-six is still worth having – even in base-spec trim.

Mazda's SKYACTIV engine family debuted in 2009 and was first launched with the Mazda DEMIO in 2011. The lineup includes traditional SKYACTIV-G gasoline engines and SKYACTIV-D diesel engines that power ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

Admit it or not, the American market is spoiled when it comes to horsepower. Case in point, the U.S. never gets the true base ...

The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons ...