Hybrid Cars Vs Compact Cars.ppt by lovemacromastia

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									Hybrid Cars Vs.
 Compact Cars
 By: Katie Rush &
 Tabitha Jacofsky
Definition of Compact
         Cars
Compact cars are small and can get
into some of the tightest parking spots.
There are a few different things that are
considered before a car is put in the
compact category, and what
constitutes a compact car in the United
States isn't necessarily used overseas. A
compact car, by United States standards,
is any car that is bigger than a super-mini
car.
Definition of Hybrid Cars
A hybrid vehicle is a vehicle that uses an on-board
rechargeable energy storage system (RESS) and a fuel
based power source for vehicle propulsion. These
vehicles use much less fuel than their counterparts and
produce less emissions. Hybrid vehicles recharge their
batteries by capturing kinetic energy through
regenerative braking. Some hybrids use the combustion
engine to generate electricity by spinning a generator to
either recharge the battery or directly feed power to an
electric motor that drives the vehicle. This takes place
when cruising or in other situations where just light
thrust is needed.
     Advantages of Hybrid
            Cars
• combine clean energy of the electrical motor with the power of
  the gas-powered engine which results into lower emissions and
  better mileage.
• reliable and comfortable as any traditional car and they have a
  tax benefits(only untill 2006).
• purchase incentives (varies by state).
• cleaner cars than normal vehicles with lesser CO and other
  greenhouse gas emissions.
• provide a better mileage.
• rapid developments in hybrid technology to improve engine
  efficiency.
• Batteries do not need to be charged my external source
• Special warranties
• help reduce the dependency on fossil fuels which directly
  affects fuel prices.
   Advantages of Compact Cars
• Fuel efficiency
• Cheaper Insurance
• Easier to fix
• More available and practical
 Disadvantages of Hybrid Cars
• High Cost (2,000- 5,000 dollars more than
  a non hybrid cars)
• More weight due to heavy battery packs
• Possible fees for registration
• If an accident occurs there is a risk of
  exposure to high voltage wires due to battery
  packs
• Complicated system
• Spare parts more difficult to find
• Lower acceleration
Disadvantages of Compact cars
•   Not environment friendly
•   Very small compared to other vehicles
•   Safety
•   Unable to haul large or heavy items
                     History of Compact Cars
The history of compact cars is the history of engineering for
both fuel economy and low cost. "Compact car" is an
American term used to describe a car smaller than a mid-
sized saloon. The history of compact cars dates back to the
beginning of the automotive era and ends with modern
production cars that focus on low cost of acquisition, safety
and fuel economy.
History of Hybrid Cars
       The German Dr. Ferdinand Porsche, at age
       23, built his first car, the Lohner Electric
       Chaise. It was the world's first front-wheel-
       drive. Porsche's second car was a hybrid,
       using an internal combustion engine to spin a
       generator that provided power to electric
       motors located in the wheel hubs. On battery
       alone, the car could travel nearly 40 miles.
                How Hybrids Work
  Regenerative Braking. The electric motor applies
    resistance to the drive train 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.
            Evolution of Hybrid Cars
•   In the first few years of the twentieth century, thousands of electric and hybrid cars
    were produced.Some cars made in 1903 by the Krieger company, used a gasoline
    engine to supplement a battery pack. Henry Ford’s assembly line and the advent of
    the self-starting gas engine signaled a rapid decline in hybrid cars by 1920.
•   1916
    Two prominent electric-vehicle makers — Baker of Cleveland and Woods of
    Chicago — offered hybrid cars. Woods claimed that their hybrid reached a top
    speed of 35 mph and achieved fuel efficiency of 48 mpg. The Woods Dual Power
    was more expensive and less powerful than its gasoline competition, and therefore
    sold poorly.
•   1999
    Honda released the two-door Insight, the first hybrid car to hit the mass market in
    the United States. The Insight won numerous awards and received EPA mileage
    ratings of 61 mpg city and 70 mpg highway.
•   2000
    Toyota released the Toyota Prius, the first hybrid four-door sedan available in the
    United States.
•   2002
    Honda introduced the Honda Civic Hybrid its second commercially available
    hybrid gasoline-electric car. The appearance and drivability of the Civic Hybrid
    was (and still is) identical to the conventional Civic.
    Evolution of Compact Cars
Microcars                            Citroën 2CV
 Early designs of very small, very
 affordable cars that used very      One of the earliest commercially
 little fuel began after World War   successful compact cars was the Citroën
 II. Microcars, or bubble cars,      2CV. Produced from 1949 to 1990, the
 were three- or four-wheel           2CV has one of the longest production
 vehicles that usually had two       runs in automotive history. The original
 seats: one for the driver and one   2CV used an air cooled 375cc engine.
 for the passenger. Some of these    The original model produced nine
 cars placed the seats next to       horsepower and could achieve a top
 each other, and others placed       speed of 40 mph. It wouldn't be until
 the passenger behind the driver.    1981 that a 2CV would have a large
 Early manufacturers of              enough engine for safe driving on
 microcars included                  United States highways. Although it was
 Messerschmidt, BMW, Sunbeam         affordable and could seat four adults,
 and Singer.                         the 2CV was the butt of many jokes,
                                     including one suggesting that the 2CV
                                     could do zero to 60 "in a day."
  Evolution Continued
The VW Rabbit was the first compact    The micro car was reborn in 1998 with the
hatchback to be well received in the   production of the Smart. The Smart is
American market. Introduced in 1975    designed by the Swiss watchmaker Swatch
with an engine that produced a         and produced by Mercedes-Benz. The Smart
meager 70 horsepower, it had           is a very unusual car design, which features
passable performance with decent       two seats and a three-door hatchback
fuel economy and Comfort.              design. With plastic body panels that are
Volkswagen began offering a diesel     user-replaceable and recyclable, the car
model that got incredible fuel         features a number of cutting edge green car
economy, but could only achieve 48     design. It sports a one-liter engine that
horsepower. In 1985, the Rabbit was    produces 78 horsepower, which makes a car
renamed the Golf in North America.     this light sporty and fun to drive. Smart cars
                                       are distributed in North America by Penske
                                       Automotive.
        So Which is Better?
In the long run, hybrid cars are better for the
environment and save money on gas. They are a
good a choice for people who are willing to spend
a higher amount of money upfront and save more
in the future.
Compact cars however are more practical and fuel
efficient. They realistic for families with limited
budgets. Although they are not as environmentally
friendly they are more cost adequate.

								
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