EV Mode,
Does the frequent use of the EV mode increase fuel efficiency?
Q. Does the frequent use of the EV mode increase fuel efficiency?
A. No. The EV mode runs the HV using only the motor, and not the engine. Fuel efficiency in the EV mode may be worse than that of normal mode (in which the system optimizes fuel efficiency.)
A. No. The EV mode runs the HV using only the motor, and not the engine. Fuel efficiency in the EV mode may be worse than that of normal mode (in which the system optimizes fuel efficiency.)
An advantage of driving in the EV mode is quietness, because the HV runs using the motor, and not the engine. Apart from enjoying driving the car as an electric vehicle, the EV mode is effective for driving in environments where people are concerned about car noise, such as early in the morning, late at night, quiet residential areas, and so on. (Refer below for EV mode operational conditions.)
Fuel efficiency is remarkably high during the EV mode, however, after the SOC has decreased to approximately 2 segments, the engine operates continuously to charge the HV battery. The engine operates this way regardless of vehicle driving conditions, which translates to less efficient fuel consumption. Therefore, the EV mode fuel efficiency tends to be worse than normal mode as a whole.
The output distribution between the motor and engine has been optimized to reduce fuel consumption in normal mode. (*Some models allow selection between an Eco mode and Power mode as normal modes in addition to the EV mode (driving with only the motor)).
Comparison of fuel efficiency between the EV mode and normal mode (20 km-drive at the same interval) * This data is reference information, which may vary depending on the driver and driving conditions.
EV mode operational conditions
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