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, ...

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 ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

Mazda, as the carmaker’s representatives will tell you early and often, isn’t large by automaker standards. Granted, with around 45,000 employees scattered across the planet, it’s hardly a small ...

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 ...

Most carmakers are rowing back from diesel but Mazda has just announced details of the European version of a new spark-less 3.3-liter inline-six destined for its CX-60 premium SUV. Called e-Skyactiv D ...

It may not look like much, but there’s some serious technology under the skin. 01-mazda-skyactiv-x-fd-1-jpg Drew Phillips 02-mazda-skyactiv-x-fd-1-jpg Drew Phillips 03-mazda-skyactiv-x-fd-1-jpg Drew ...

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 ...