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 ...

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, ...

Mazda's Miller-cycle engine was a notable entry in the annals of automotive history, combining variable valve timing with a screw-type supercharger to maximize the brief compression cycle. The most ...

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 ...

We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...

Japanese automakers Mazda and Toyota, among other brands, have been working hard on furthering efficiency without sacrificing performance or power. The SkyActiv engine was introduced in 2010 and ...