This new Mazda six-stroke engine provides hope for a combustion-engined future.

When Mazda CEO Moro said, "The MX-5's successor must also be ready for a scenario without an internal combustion engine," he ...

GTE, Nissan RB26DETT, and Honda K24 get all the attention, and deservedly so, but these overlooked JDM engines deserve a ...

Jack Hubbell is a European based writer and automotive enthusiast who joined the HotCars team in 2024. Jack has been building cars and motorcycles since a young age and was a member of the SCCA from ...

Mazda is bringing the CX-30 compact SUV to the European market as a 2027 model year with an extensive update of its assistance systems, new equipment lines, and design adjustments. Prices in Germany ...

Comparing a Formula 1 engine to that of a run-of-the-mill Camry is like comparing the SR-71 to a Cessna. One's tailored for mass-market appeal while the other is about precision at any cost, and both ...

HCCI combines the benefits of gasoline and diesel engines without their drawbacks, achieving diesel-like efficiency while maintaining gasoline-level cleanliness. However, controlling HCCI is a ...

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...

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 ...

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...

Automotive engineers have invested countless billions trying to improve upon the humble internal combustion engine, but not all those efforts have translated well. In fact, sometimes, things got weird ...