Any diesel-engine manufacturer that confidently claims it produces an oil-burner with the “world’s lowest compression ratio,” will no doubt draw the immediate attention of inquisitive enthusiasts, ...

Mazda’s new SkyActiv-X engine will go against every convention you thought you understood about gasoline engines. It’s supercharged, but for efficiency purposes, not to increase power. It has a ...

Get ready, Europe, because you're about to get yet another slick new diesel, this time from Mazda. The company unveiled its new 2.2L common-rail turbo diesel for the European market today, as well as ...

Diesel engines are pretty cool and have a lot of benefits. If you want good fuel economy and enough torque to change the rotation of the Earth, then an oil burner is a pretty good option. Though, if ...

DETROIT -- It may be a while before Mazda's innovative Skyactiv-X engine -- which combines gasoline and diesel combustion traits -- reaches North American showrooms. Mazda North American Operations ...

One of the more frustrating bits of automotive vaporware of the past decade aside from the truly self-driving car is the Mazda diesel engine in the U.S. market. After many fits and starts, the Mazda ...

As Mazda and Infiniti have proved, there's a lot of innovation left in the internal-combustion engine. One of the more wild concepts we've seen is called Reactivity Controlled Compression Ignition ...