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2-3. Driving the EV (Electric Vehicle)
The chart shown above is for explaining the energy consumption differ-
ence between electric vehicles and gasoline engine vehicles.
Gasoline engine vehicles achieve the best fuel efficiency while they are
driven at a speed of approximately 43 mph (70 km/h). However, electric
vehicles obtain the best energy efficiency while being driven at speeds
between approximately 12 to 25 mph (20 to 40 km/h).
For electric vehicles, the faster the speed, the more power is consumed,
and the driving range decreases. If driven at a speed of approximately
62 mph (100 km/h), compared to approximately 25 mph (40 km/h), the
vehicle's energy efficiency drops by approximately 40%. For instance,
an electric vehicle can achieve a driving range of approximately 62
miles (100 km) with a constant vehicle speed of 25 mph (40 km/h), how-
ever, driving at 62 mph (100 km/h) will reduce such a driving range to
approximately 32 miles (60 km).
● Control your speed and keep at a constant speed. Also, before
stopping at a toll booth or similar, allow plenty of time to release
the accelerator and gently apply the brakes. A greater amount of
electrical energy can be retained when slowing down.
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