What exactly is Spark Controlled Compression Ignition? SpCCI is a natural progression of Mazda’s Skyactiv programme, which it embarked on in 2011 when it launched petrol and diesel engines ...

Also, engine compression readings can vary depending on altitude and other factors, so it is more important to compare the cylinders to each other rather than the assumed compression number.

Why the fuss? Because it combines spark ignition and compression combustion in a petrol engine for the first time. It was first shown in 2018.

The guys at Muscle Car Review show you how to check engine compression with the latest tools. Check it out only at hotrod.com or the October 2011 issue of Muscle Car Review Magazine.

Dubbed the HCCI (or Homogenous Charge Compression Ignition) engine, GM's experimental powerplant works on a phenomenon which normally spells mechanical doom for conventional petrol motors.

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.

Mazda has announced a series of small refinements to its clever Skyactiv X petrol engine that will debut in the 2021 model year Mazda 3 and CX-30. Promising to unlock more power and torque while ...

Mazda has laid out its future plans for internal combustion, revealing that it will introduce petrol engines using compression ignition in 2019. It means that Mazda is currently poised to be the ...

Explore key differences between diesel and petrol engines, including ignition, efficiency, and applications, to make an informed choice for your vehicle.

Infiniti's VC-T petrol engine could kill diesels The variable compression petrol engine will arrive in an Infiniti QX50 and its efficiency gains could make diesel redundant ...