What Does CI Stand For?

CI stands for Compression Ignition Engine

Compression Ignition Engine (CI) refers to a type of internal combustion engine that ignites fuel through the heat generated from compressing air in the combustion chamber. In CI engines, typically fueled by diesel, the high compression ratio increases the air temperature to a point where the injected fuel spontaneously ignites. This process results in a more efficient fuel utilization and higher torque output compared to spark ignition engines, making CI engines widely used in heavy-duty vehicles and industrial applications. Their robust design and efficiency contribute to their preference in applications requiring high durability and operational reliability.

Other Meanings for CI