As we face the end of the internal-combustion era, the straight-six has made an unlikely comeback. Well, unlikely might not be the right word for an engine configuration of such fundamental rightness.

When Japanese automaker Mazda debuted the fourth-generation Mazda3 in 2019, it came with the brand's Skyactiv-X engine. This revolutionary powerplant combines the attributes of spark ignition and ...

Mazda has developed a wide variety of engines and propulsion systems over the years. Famously, Mazda pioneered rotary technology, but the Japanese automaker has also developed rotary hybrids, fully ...