Hybrids: The Vehicles of Our Future By: Lizzie Napleton & Meredith McDonald.
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Transcript of Hybrids: The Vehicles of Our Future By: Lizzie Napleton & Meredith McDonald.
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Hybrids: The Vehicles of Our Future
By: Lizzie Napleton & Meredith McDonald
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What is a Hybrid?
• A hybrid is said to “combine elements from different species.”
• A hybrid, by definition, is a vehicle that combines both an internal combustion engine with an electric motor as its power source ultimately in order to improve efficiency and improve emissions.
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What is a Hybrid?
• So, simply put, a hybrid is a vehicle that runs on BOTH gasoline and an electric motor
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How does a hybrid work?
• Like a regular car, a hybrid’s engine generally runs all the time, while the electric motor placed between the engine and the wheels helps motivate the car.
• By assisting the engine, this electric motor improves fuel economy and reduces emissions
•Bottom line: hybrids improve fuel economy.
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Electric + Gasoline = Hybrid
• An electric car has batteries that give electricity to the car’s electric motor, which turns the transmission.Then the transmission turns the wheels.
• A gasoline powered car has a fuel tank that supplies gas to the engine, turns the transmission, which turns the wheels.
• A hybrid is a combination of the two!
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What’s the difference between a hybrid and a normal gasoline vehicle?
• A hybrid has a sophisticated transmission and powerful battery that work together to make the most of your gasoline, which as you know is rather expensive these days.
• The hybrid uses both its electric motor and battery power up to 30% more fuel savings over a comparable gasoline powered vehicle
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Most important components: fuel tank, battery, engine
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What it looks like
How it works
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What actually goes on when a hybrid is running?
•Operates on electric power for several miles at a time while the driver is going slower speeds
•When the electric engine is sufficient to power the car, the gas engine shuts off
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•Car coasts or brakes, the battery pack recharges
•In some hybrids, the engine is turned off completely when the vehicle comes to a stop, and is restarted instantly when the brake pedal is released.
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• http://au.youtube.com/watch?v=Vc3pj-7emvY
(shows how a hybrid Prius works)
A Video to further explain what goes on….
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Different Types of Hybrids
•it is important to know the different types of hybrids:–Two-mode hybrids–Single-mode hybrids–Plug-in hybrids
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Single-mode hybrids
• The typical, basic hybrid car• Shuts down its engine
automatically at stops to amplify its battery power
• Efficient at low speeds because the car can be propelled without the engine
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Two-mode hybrid
• Not only allows for fuel efficiency at stops, but also on the highway at high speeds, unlike the single-mode
• Increases fuel efficiency by 25%
– Why? Allows more parts of the engine to quit
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Two-mode hybrids
• Accommodate to larger vehicles• More reliable and inexpensive
parts• Two transmissions• Unlike single-mode’s bulky parts• Higher speeds, accelerate more
efficiently
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Comparing Hybrids to other vehicles
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Pros• improved fuel economy• additional auxiliary power for
electronic devices and power tools• Tax credits• Save money on gas• Produce less pollution• Reduce emissions of greenhouse
gases
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Average MPG for popular hybrid vehicles:Vehicle Average
MPGToyota Prius 46Honda Civic Hybrid
42
Nissan Ultima Hybrid
34
Toyota Camry Hybrid
33
Ford Escape Hybrid
32
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Cons• Repair bills $• Expensive vehicles (generally
$2,000-$5,000)• Less powerful engine• Lower acceleration capability• Safety issue• Special tires used are expensive to
replace
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• Hybrid sales have increased drastically within the past ten years, so join the crowd and drive a vehicle of the future!
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The Future for Hybrids
•Sales will increase drastically•Trucks are predicted to make
up almost 35% of hybrid sales within a few years
•Automobile industry may demand laws for cleaner emissions regarding diesels
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What can you do?
Encourage parents, older siblings to buy a hybrid
Explain to the people in your community how important a hybrid is
Simply ride your bike or walk wherever you can to save gas and produce less pollution
Buy a hybrid yourself and do your part!