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 ...

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 ...

HCCI combines the benefits of gasoline and diesel engines without their drawbacks, achieving diesel-like efficiency while ...

View post: Valvoline Sued After Using the Wrong Oil in Customer’s Engine Mazda has officially launched its new 2.2L diesel MZR-CD diesel engine in the European market version of the 6. The all-new ...

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 ...

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 ...