To prevent a decrease in detection accuracy of an obstacle that occurs when an obstacle detection distance of an infrared beam at the center is set longer than an infrared beam of at least one of the left or the right, an obstacle detection device for a ve...

A controller (1) of an engine performing a premixed combustion operation and a diffusion combustion operation that are switchable in accordance with the traveling state of a vehicle, includes a detector (2) detecting a sudden-deceleration request for sudde...

Method involves determining rotation speed of internal combustion engine, detecting accelerator pedal position, and detecting operation of brake pedal. Engine is operated with stoichiometric air-fuel ratio or with fuel cut-off in overrun, or closure of thr...