Patent ID: 8886380

Claim:
A hybrid motor vehicle comprising: an engine configured to output motive power for running the hybrid motor vehicle; an electric motor configured to take in and output motive power for running the hybrid motor vehicle; a battery configured to give electric power to and receive electric power from the electric motor; and a controller configured to control the engine and the electric motor so that when a required power required of the hybrid motor vehicle based on required torque needed to run the hybrid motor vehicle increases to or above a first threshold value during stop of operation of the engine, the hybrid motor vehicle runs by the required torque while the engine outputs the required power, until the required power decreases to or below a second threshold value that is smaller than the first threshold value, control the engine and the electric motor so that when the required power decreases to or below the second threshold value during operation of the engine, the hybrid motor vehicle runs by the required torque while the engine is in a stopped state, until the required power increases to or above the first threshold value, and set the second threshold value so that the second threshold value is smaller when degree of degradation of the battery exceeds a threshold value than when the degree of degradation of the battery is less than or equal to the threshold value.