- Hybrids, a wasted use of technology and efficiency.
- What personal interest or stake do I have in this issue?
- If my argument succeeds I will have helped people understand what a hybrid accomplishes in the automobile industry, and promote interest in more sustainable technologies that are friendlier to the environment.
- This affects me because the same way as it affects the rest of us. Using non renewable resources inefficiently will have a great impact on our planet and our day-to-day life.
- I am passionate about automobiles and the sustainability of our planet. I would like to see that my daughter and generations beyond are leading happy healthy lives on a planet that is as pleasant and beautiful as the one we enjoy today.
- I have owned a hybrid vehicle before.
- Why is this a controversial issue?
- Green technology will always be a controversial issue for many. People have very strong opinionated views on how we use this technology effectively. You will also have passionate people in the automobile industry. To them, the concern is how this will influence the direction of the industry, and the production of future vehicles. There are many debates on the pros and cons of hybrid vehicles.
- The production of much more efficient alternative fuel vehicles are be hindered by the demand for highly marketed hybrids.
- How long is the life expectancy of the batteries? How are the large battery packs being disposed of properly?
- Current fossil fuel vehicles, can they be as efficient as hybrids? Yes, the Mazda 3 Skyactive, gas and diesel power. Volkswagen’s current and past diesel motors. These all can be ran off Bio fuels.
- What are the emission outputs of said vehicles above? What are the emission outputs of Hybrids found in todays market?
- Plug in Hybrid EV’s better but not perfect. Bob Lutz, former Vice Chairman at General Motors Company was an opponent of Hybrid vehicle, then led the development of the Chevrolet Volt. Why?
- Who is the audience I need to persuade?
- The automakers
- Hybrid owners
- New vehicle buyers
- These are people that believe that Hybrid vehicle are an answer to our emissions problem, and petroleum consumption. They value the environment and sustainability.
Important information to cover:
- Types of Hybrids
Parallel hybrid
The Honda Insight is a Mild Parallel Hybrid.The Toyota Prius is a series-parallel hybrid.
The Ford Escape Hybrid has a series-parallel drivetrain.
In a parallel hybrid vehicle, the single electric motor and the internal combustion engine are installed such that they can power the vehicle either individually or together. In contrast to the power split configuration typically only one electric motor is installed. Most commonly the internal combustion engine, the electric motor and gear box are coupled by automatically controlled clutches. For electric driving the clutch between the internal combustion engine is open while the clutch to the gear box is engaged. While in combustion mode the engine and motor run at the same speed.
The first mass production parallel hybrid is the Honda Insight.
Mild parallel hybrid
These types use a generally compact electric motor (usually <20 kW) to provide auto-stop/start features and to provide extra power assist during the acceleration, and to generate on the deceleration phase (aka regenerative braking).On-road examples include Honda Civic Hybrid, Honda Insight, Honda CR-Z, Honda Accord Hybrid, Mercedes Benz S400 BlueHYBRID, BMW 7-Series hybrids,General Motors BAS Hybrids and Smart fortwo with micro hybrid drive.
Power-split or series-parallel hybrid
Typical passenger car installations include the Toyota Prius, the Ford Escape, Ford Fusion, the Lexus RX400h, RX450h, GS450h, LS600h and CT200h.In a power-split hybrid electric drive train there are two motors: an electric motor and an internal combustion engine. The power from these two motors can be shared to drive the wheels via a power splitter, which is a simple planetary gear set. The ratio can be from 0–100% for the combustion engine, or 0–100% for the electric motor, or anything in between, such as 40% for the electric motor and 60% for the combustion engine. The electric motor can act as a generator charging the batteries.
Modern versions such as the Toyota Hybrid Synergy Drive have a second electric motor/generator on the output shaft (connected to the wheels). In cooperation with the "primary" motor/generator and the mechanical power-split this provides a continuously variable transmission.
On the open road, the primary power source is the internal combustion engine. When maximum power is required, for example to overtake, the electric motor is used to assist. This increases the available power for a short period, giving the effect of having a larger engine than actually installed. In most applications, the engine is switched off when the car is slow or stationary reducing curbside emissions.
Series hybrid
The Chevrolet Volt is a series plug-in hybrid released at the end of 2010.A Honda Civic Hybrid used by Zipcar, a car sharing service, in Washington, D.C.
Ford Escape plug-in hybrid.
A series- or serial-hybrid vehicle has also been referred to as an Extended Range Electric Vehicle or Range-Extended Electric Vehicle (EREV/REEV); however, range extension can be accomplished with either series or parallel hybrid layouts.
Series-hybrid vehicles are driven by the electric motor with no mechanical connection to the engine. Instead there is an engine tuned for running a generator when the battery pack energy supply isn't sufficient for demands.
This arrangement is not new, being common in diesel-electric locomotives and ships. Ferdinand Porsche used this setup in the early 20th century in racing cars, effectively inventing the series-hybrid arrangement. Porsche named the arrangement "System Mixt". A wheel hub motor arrangement, with a motor in each of the two front wheels was used, setting speed records. This arrangement was sometimes referred to as an electric transmission, as the electric generator and driving motor replaced a mechanical transmission. The vehicle could not move unless the internal combustion engine was running.
The setup has never proved to be suitable for production cars, however it is currently being revisited by several manufacturers.
In 1997 Toyota released the first series-hybrid bus sold in Japan. GM introduced the Chevy Volt EREV in 2010, aiming for an all-electric range of 40 miles, and a price tag of around $40,000. Supercapacitors combined with a lithium ion battery bank have been used by AFS Trinity in a converted Saturn Vue SUV vehicle. Using supercapacitors they claim up to 150 mpg in a series-hybrid arrangement.
Plug-in hybrid electric vehicle (PHEV)
Main article: Plug-in hybridAnother subtype added to the hybrid market is the Plug-in Hybrid Electric Vehicle (PHEV). The PHEV is usually a general fuel-electric (parallel or serial) hybrid with increased energy storage capacity (usually Li-ion batteries). It may be connected to mains electricity supply at the end of the journey to avoid charging using the on-board internal combustion engine.
This concept is attractive to those seeking to minimize on-road emissions by avoiding – or at least minimizing – the use of ICE during daily driving. As with pure electric vehicles, the total emissions saving, for example in CO2 terms, is dependent upon the energy source of the electricity generating company.
For some users, this type of vehicle may also be financially attractive so long as the electrical energy being used is cheaper than the petrol/diesel that they would have otherwise used. Current tax systems in many European countries use mineral oil taxation as a major income source. This is generally not the case for electricity, which is taxed uniformly for the domestic customer, however that person uses it. Some electricity suppliers also offer price benefits for off-peak night users, which may further increase the attractiveness of the plug-in option for commuters and urban motorists.




