The engine (10) has two cylinders (14) forming two groups, where the two groups are characterized by different cylinder volumes. The cylinder of one group is activated in a load-dependent manner and deactivated when a predefined load is undershot. One of t...

A control apparatus for an internal combustion engine is provided that can suppress deterioration of combustion due to a response delay of recirculated exhaust gas. An exhaust gas recirculation passage (38) that connects an intake passage (26) and an exhau...

The engine has a control area (B), with torques higher than control area (A), to control torque output with settings of a high compression ratio, a lean air-fuel ratio, and a boosting state. A fourth control area (D) with torques higher than a third contro...