A controller, a control method, and a storage medium for a vehicle (90) are provided. A hydrogen concentration calculating process (S10) calculates a hydrogen concentration in a specific portion of a target region based on an operating state of an internal...

An object is to provide an abnormal combustion determining apparatus for an internal combustion engine that can identify a major factor causing an oil to flow into a cylinder. The abnormal combustion determining apparatus for the internal combustion engine...

A method and valve assembly for controlling the flow of gases through a passage (28, 60, 62, 64) between an engine crankcase (54) and an engine intake manifold (24) is disclosed. The method includes decreasing the flow of gas through the passage (28, 60, 6...