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Advantage

Thank you.

  • Hybrids produce much less pollution than standard gasoline cars.
  • Noise emissions are reduced, particularly at idling and low operating speeds, in comparison to conventional engine vehicles.

The emission of carbon dioxide(metric tons)

  • Reduce mechanical losses when compared with driving them continuously with traditional engine belts.

EPA

5.5

4.1

Honda Civic

Honda Insight

3.5

  • Hybrid vehicle is particularly efficient for city traffic where there are frequent stops, coasting and idling periods.

Introduction

3.5

Toyota Prius

Hybrid vehicles can reduce air emissions of smog-forming pollutants by up to 90% and cut carbon dioxide emissions in half.

  • Lithium ion is the least toxic of all car batteries.

The hybrid vehicle typically achieves greater fuel economy and lower emissions than conventional internal combustion engine vehicles (ICEVs), resulting in fewer emissions being generated.

  • Today most hybrid car batteries are one of two types: 1) nickel metal hydride, or 2) lithium ion.
  • However, nickel-based batteries are known carcinogens, and have been shown to cause a variety of teratogenic effects.

Environmental impact of hybrid car battery.

Three elements of a typical hybrid design:

Honda Insight hybrid

Hybrid cars have less power than traditional fuel cars.

Disadvantage

Ford Escape plug-in hybrid

  • Relying on both the engine and the electric motors for peak power needs.

The French MDI petro-air hybrid car

  • Neodymium is another rare earth metal which is a crucial ingredient in high-strength magnets that are found in permanent magnet electric motors.
  • Having significant battery storage capacity to store and reuse recaptured energy.

Raw materials increasing costs

For example

  • Dysprosium is required to fabricate many of the advanced electric motors and battery systems in hybrid propulsion systems.
  • Recapturing significant amounts of energy during braking that are normally wasted as heat.

Hybrid Car

?

A new kind of environmental car

Background

Introduction

A hybrid vehicle is a vehicle that uses two or more distinct power sources to move the vehicle.

Advantage

Disadvantage

Future

Background

(cc) photo by medhead on Flickr

Future

  • Increasing oil price

The adoption rate for hybrids in the U.S. is small today.

Hybrids would dominate new car sales in the U.S. and elsewhere over the next 10 to 20 years.

  • Toxic emissions

Fuel consume efficiency

Horsepower

Price of the car

Design

Utilities

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