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Hybrid cars use the electric motor to help stop the car. Acting as a generator it captures the energy lost in braking and uses it to charge the batteries. ...

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Alternative Energy Sources

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Presentation Transcript
examples of hybrid vehicle s
Examples of Hybrid vehicle’s
  • Automobiles
  • Mopeds
  • Locomotives
  • Buses
  • Submarines
the hybrid system
The Hybrid System
  • Gasoline Engine drives the automobile during highway speeds when minimum Horsepower is required
  • Electric Motor works with the Gasoline Engine while accelerating from a stop and during periods when extra acceleration is required
hybrid components
Hybrid Components
  • Generator
    • Only used as an electricity producing component
  • Batteries
    • Store Energy to power Electric Motor
  • Transmission
    • Drives Vehicle directly from the gasoline engine or electric motor
  • Gas or Diesel Engine
  • Electric Motor


A machine that changes electrical energy into mechanical energy to do work.


Gas Engine

A machine that changes chemical energy into mechanical energy to do work. Through the burning of gasoline.

  • A machine that changes mechanical energy into electrical energy
    • It must be turned or driven by an outside source
regenerative braking
Regenerative Braking
  • Traditional Car brakes- the faster a car is going the more kinetic energy it has, the brakes remove the energy and release heat.
  • Hybrid cars use the electric motor to help stop the car. Acting as a generator it captures the energy lost in braking and uses it to charge the batteries.


  • Take the power from then motor or engine and transfers the power to the wheels.
  • A mechanical device that is designed to change a vehicles drive wheel speed and torque in relation to the engine speed and torque.• Torque - A turning or rotating force
honda insight
Honda Insight
  • 61mpg/city
  • 68mpg/highway
  • 3 Cylinder VTEC-E
  • Integrated [electric] Motor Assist
  • $19,080 Base Price
toyota prius
Toyota Prius
  • 45mpg/city
  • 52mpg/highway
  • 4 Cylinder VVT-I
  • Toyota Hybrid System (THS)
  • Power Splitter connects motor and generator together for a constant variable transmission
  • $20,480 Base Price
hybrid maintenance
Hybrid Maintenance
  • Both Honda and Toyota offer good warranties on there hybrid vehicles.
    • Insight offers a 8yr/80,000 mile warranty on the power train, electric motor and batteries. A 3yr/36,000 mile warranty on everything else.
  • The electric motors and batteries shouldn’t require maintenance over the life of the vehicle.
  • But if the batteries do need to be replaced after warranty it would cost a few thousand dollars.
  • The brake pads may also last longer on hybrids because of regenerative braking.
parallel hybrid
Parallel Hybrid
  • Uses fuel for the gas engine, and batteries for the electric motor.
  • Both electric motor and gas engine connect to transmission.
  • Both power sources can power the transmission simultaneously or individually.
series hybrid
Series Hybrid
  • Gasoline engine turns a generator which can either charge batteries or supply power to the electric motor.
  • The electric motor powers the transmission.
  • This means the gas engine never has a direct connection with the transmission.