BOSTON CONVENTION & EXHIBITION CENTER
HYBRIDS
Hybrid-electric vehicles (HEVs) combine the benefits of gasoline engines and electric motors. Some of the advanced technologies typically used by hybrids include
- Regenerative Braking: the electric motor applies resistance to the drivetrain causing the wheels to slow down. In return, the energy from the wheels turns the motor, which functions as a generator, converting energy normally wasted during coasting and braking into electricity, which is stored in a battery until needed by the electric motor.
- Electric Motor Drive/Assist: the electric motor provides additional power to assist the engine in accelerating, passing, or hill climbing. This allows a smaller, more efficient engine to be used. In some vehicles, the motor alone provides power for low-speed driving conditions where internal combustion engines are least efficient.
- Automatic Start/Shutoff: automatically shuts off the engine when the vehicle comes to a stop and restarts it when the accelerator is pressed. This prevents wasted energy from idling.
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