The Tokyo Motor Show has brought us several delights from the Land of the Rising Sun, but none are quite as intriguing (or ambitious) as Mazda’s new Skyactiv-X engine architecture. The “revolutionary” ...

Mazda confirmed that it’s developing a homogenous charge compression ignition (HCCI) engine to come to its lineup in 2019 in a press release Tuesday following rumors of a “revolutionary” new engine ...

Car manufacturers are delving deep into their boxes of tricks to make internal combustion engines more efficient. Infiniti unveiled a variable compression ratio engine last year, and hybrid technology ...

Mazda Motor Corporation's new Sustainable Zoom-Zoom 2030 technology development strategy includes its petrol compression ignition engine which it will call Skyactiv-X and launch in 2019. It will be a ...

The goal of Hyundai's engine technology, which the company calls Gasoline Direct Injection Compression Ignition (GDCI), is to return the fuel economy of a diesel but with the higher performance, ...