Transcript Factors Affecting the Development of Fuel Efficient Cars

Factors Affecting the Development
of Fuel Efficient Cars Lab Notebook.
Marcus Mayfield
Maceo Walker
Jordan Brown
Gas Powered Cars
• Gas powered Car Engines are heavy , Cars need
transmissions because of the physics of the
gasoline engine. While it is true that hybrid cars
do have expensive parts, they also have
warranties that provide free replacement of the
most expensive parts for many years.
• Electric cars are far lower levels of
pollutants in the air than convention
cars, resulting decreased pollution
and reduced effects of global
warming. Because no two people
drive the same way, it is therefore
difficult to estimate, but emissions
can be reduced from 25% to 90%,
when comparing hybrid cars to
conventional gas-powered vehicles.
• Hybrid cars like the
Toyota Prius produce
90% less pollutants than
comparable non-hybrid
cars. By putting less
harmful chemicals in the
environment, the
harmful effects of
pollution can be halted
or even reversed.
• Gasoline engines
are only 20
percent efficient,
losing 80 percent of
gasoline's energy as
heat, that Gasoline
engines use spark
plugs to ignite the
fuel and begin the
combustion process
in the engine.
Electric Powered Cars
• There are battery packs, often under the car
to conserve space, and the electricity from the
battery powers the electric motor. The voltage
then turns the transmission to turn the
wheels.
• Only the cost of battery
replacement every 3-5 years is
about $3000. They are less
expensive to operate by a
factor of ten over
gasoline. Hybrids get about
double the fuel efficiency of
regular cars.
Performance
• Electric cars can go very
fast. The current record
1/4 mile drag race for
electric cars is about 8.8
seconds and 230 KPH.
Cost
• electricity is much cheaper than gas.
Depending on the month, electricity on
average is four to five times cheaper than
gas per gallon equivalents. With a gas car,
usually every mile you drive is about 36
cents. The electric cost for mile is under
10 cents per mile. That goes for most
cars. There is one car that will be the
exception and that is the Tesla Model S
sedan. This car will only cost $4 to charge
for a 300 mile range.
Hydrogen
• converts chemicalbased energy to
electrical energy. This
is accomplished when
hydrogen from fuel
combines with
ordinary oxygen from
air. The fuel comes
from either hydrogen
gas
• hydrogen is produced
mainly using natural oal, oil,
gas, uranium, sunshine,
volcanic heat, and tides, are
all energy sources Hydrogen
can also be produced from
water (H20). These vehicles
are approximately 30
percent more efficient than
similar gasoline-powered
vehicles.
Cost A lot
• Because each hydrogen car costs upwards of $1
million to produce due to expensive technology,
vehicles' small operational range would require
an extensive fueling network. Without that
network, the vehicles wouldn't be useful for
many suburban or rural folks.