Archive for October, 2007

Hybrid Cars - How Do Hybrid Vehicles Work?

How many times have you pulled up to the pumps lately only to be shocked at the price of gasoline? Suddenly your $25 tank of gas is costing $40. Have you considered trading your vehicle in for something that gets better fuel economy? How about a Hybrid vehicle? If you’ve ever wondered “how do hybrid vehicles work?” read on.

Hybrid vehicles address two issues – global warming by reducing emissions and reduced fuel costs. There are lots of different hybrid designs showing up on the market, so understanding how they work is very important to getting the best value for your money.

If you have ever owned a moped, you can proudly consider yourself a first generation hybrid owner because they combine pedal power and gasoline. Hybrid vehicles really aren’t that new a concept. You’ll find them all around you in commercial use. Giant mining trucks, submarines, buses, and even train engines all have a fuel source and an electrical source of power.

Most of the hybrid vehicles we are seeing on the market are gasoline and electric hybrids. This means they use both gas and electricity to power them.

The two power sources can be combined in different ways. The parallel hybrid has a fuel tank which supplies fuel to the engine and a set of batteries which supplies power to the electric motor. Both sources are able to turn the transmission.

The series hybrid is a little different. The gasoline engine turns a generator which can either power the electric motor that drives the transmission or charge the batteries. In this type of hybrid the gas engine never directly powers the vehicle.

With a hybrid car the gas engine can be a lot smaller than in a conventional car so it can be a lot more efficient. Acceleration requires a larger engine to produce the power needed, but by using a smaller engine and combining it with the assistance of an electrical motor that is operating at peak load the acceleration needs of a vehicle can be met.

Hybrid vehicles also capture the energy from the braking system. When the brake is applied, energy is removed from the car and dissipated as heat which is then captured and stored in the batteries for later use.

Hybrid cars also have an automatic shutoff, so when the vehicle comes to a stop the engine is shut off and then restarts automatically when the accelerator is touched. This conserves energy that would be wasted when idling.

Depending on the manufacture, the technology is used in various forms but the basics remain simple. Hybrid technology in the consumer auto market is still relatively new but will continue to develop and improve.

Hybrid vehicles work efficiently to reduce tailpipe emissions and improve mileage. So if you are in the market for a new vehicle you might want to have a look at the hybrids.

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Alternative Fuel

The rapid growth of technological development and technical innovations attract more and more people to use vehicles. Nowadays vehicles are necessity rather than luxury. Therefore pollution due vehicle fuels has become one of the severest problems in big cities. Several alternative fuels have been developed for recent years.

Fuel cells are complicated appliances that generate electricity using hydrogen gas. This technology increases the efficiency of energy and uses less fuel, thus better economy, and produces fewer emissions thus cutting down on the production of pollutants like carbon dioxide, carbon monoxide, nitrogen oxides and hydrocarbons. The economic feasibility of this type of vehicles is obscured by the unavailability of free hydrogen and the difficulty in the storage and the distribution of the gas. Fuel cell powered vehicles are about twice as efficient as the internal combustion engines and thus are economically superior.

These cars are environmentally friendly and run nearly silent. The ‘fuel’ for electric cars costs a lot less per mile than it does for gasoline vehicles. The disadvantages of the electric car is that the batteries are heavy, they charge slowly, have a limited capacity thus limiting the range of the vehicle, are bulky, have a short life and are fairly expensive. These reasons have resulted to a frail consumer interest and this has related economic back draws.

Hydrogen gas as a fuel promises to eliminate all pollution problems created by the fossil fuels. This is a clean technology that only produces water as the by product. There are no environmental dangers like oil spills to worry about with hydrogen. In cases where the hydrogen gas is derived from the electrolysis of water, no green house gases are added to the environment due to the fact that there is a perfect cycle-with the electrolysis producing hydrogen from water and then the hydrogen recombining with oxygen to create water and power.

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Can the electric scooters go more quickly?

There is no doubt that a scooter electric can you obtain some share, but the question in way in which quickly it can go be something which deserve the discussion. To often populate the subsistence this false stage which because electric scooters were designed mainly for one or the other the old people and the handicapped people, it cannot take speed. It is where they are wrong.

While the electric scooters are not as fast as the scooters supplied with gas, they are not influence badly placed the ingredient of rag. The fact of notoriety, some electric models of scooter can be as quickly as more than ten miles per hour. Thus if you think of organizing an electric race of scooter, you are not embarrassed. See the consideration of an electric scooter is rather new, not many people accept it considering a certain means of transport.

The majority among us are still wedged with the concept of wheel chair thus we do not note really the electric scooters because additional subjected but a version improved of a wheel chair in a smarter articulation and of hip. It is almost the hour to give the world which the electric scooters are more than what the majority perceives of them. The speed of the electric scooters and their total execution would not owe betoken ever underestimated.

To give the dense circulation being to test nowadays, which true being not to show sign to radoucir any time soon, to be able to find that to have an electric scooter and to go to charge with being a most useful decision to never let make. The electric scooters are not simply considering those with limited mobility. As a perfectly healthy circumstance can benefit from an electric scooter.

Moreover, the fact that the electric scooters should not any more antic go quickly relieves, especially at the same time of the rising fuel prices out of oil arrow too. And while the material increases to the top of our invoices of electricity, the majority of the people see that as small price with the stipend for the enormous blow the electric scooters brings Po. The electric scooters are a very practical purchase. In fact, they could even be more practical than buying a car.

Body does not protect you from the rain, however. But if you look at to obtain some share quickly, you can always hope on an electric scooter to serve its racket.

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Better efficiency of hybrid cars

Driving is fun. Driving is at the same time great responsibility. If you are in the driver’s seat, you owe responsibility towards the co-passengers. Of course you remain responsible for yourself. And above all the biggest responsibility is towards the environment. This is not just in the hand of the driver but in the broader perspective, the car manufacturing company holds the bigger liability.

New innovations and modern technology have thus brought forward the hybrid cars. Taking care of all the above-mentioned responsibilities, the hybrid car seems to fulfill all those criteria in a single drive. Whenever you ride a hybrid car you know you are safe and causing no harm to the surroundings.

The car configuration

Hybrid cars run on gas engine and do not use petrol or diesel. The fuel efficiency is optimum but requires a support of the electric motor. The acceleration gained by the car is due to the electric motor which is a rechargeable one and that too automatic. Hence in every sense the hybrid car is economical in use.

The hybrid car engine

You may laugh at the size but will say hats off when you count on the efficiency. There is no scope of fuel loss. Say for instance your hybrid car has got struck in the red signal. You won’t have to give a little effort to turn off the engine. Things will be regulated automatically after a stipulated time. Such modifications have been innovated and implemented in the designing of hybrid cars.

Better braking facility

Driving is a game of clutch and brakes. Then it is the control over the steering wheel and gear. Now the braking system of the hybrid car is automated by the electric motor. On one hand this electric motor is responsible for the acceleration of the car and on the other it operates the brakes. It can control the car’s speed and is regenerative in nature. Actually when the car loses its speed the battery automatically starts regeneration of power and the hybrid car is back to the smooth run.

Weight of the car

Hybrid car is not bulky. It is basically a light weighted car. The tires used are narrow and very mush durable. It can resist wear and tear to a great extent. As the weight is light and the tires are stiff, the hybrid car can run on any type of road without any damage as such. Generally light weighted cars are not fit for uneven roads but in case of hybrid cars such conclusions prove wrong.

If you are recently planning to buy a car, you can invest on the hybrid car without any hesitation. Try it out, you won’t run in a loss.

Driving is fun. Driving is at the same time great responsibility. If you are in the driver’s seat, you owe responsibility towards the co-passengers. Of course you remain responsible for yourself. And above all the biggest responsibility is towards the environment.

Thomas MacIntosh writes about on Better efficiency of hybrid cars to visit :- ford escape hybrid review

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How hybrid cars work

There are two main types of hybrid cars: series hybrid cars and parallel hybrid cars.

Parallel hybrid cars work by using a combination of a traditional gas engine and a high output electric motor. The different elements of the engine start working at higher or lower levels of output are required. If the car is being driven carefully and accelerating at a reasonable level the electric motor will work on its own until a greater output is needed at a higher speed. Then the small high performances, in terms of fuel economy that is, gas engine takes over. This is a seamless almost unnoticeable process with a smooth transition of control from electric to gas power.

As the acceleration is powered by the electric motor the gas engine can be much smaller and more economical. There is no need for a great deal of energy, merely enough to keep the car at a steady speed, or to move the car from a mid range, around 40 mph to a higher speed. This requires a lot less energy than the initial movement from a standstill and consequently can be achieved with a lower level of power.

The parallel system of using both the gas engine and electric motor for hybrid cars means that there is less loss of power as when the car is traveling at higher speeds. As the energy is not required to go through the batteries and electric motor before providing power to the car. When traveling in this mode there is no need for the electric motor to operate and this also allows it to be recharged by the gas engine as the vehicle is traveling along. All ready for when the hybrid car slows and switches back to the electric motor.

Series Hybrid Cars: a series design works by powering the vehicle through an electric motor. The batteries supply the power to the motor. As the power arrives at the motor through the battery, series hybrid cars need a substantially larger reserve of power and consequentially a greater amount of batteries need to be carried in the car.

The motor only uses the exact amount of power required for the task in hand. If you spend hours in a traffic jam, you may get a little hot under the collar but your car will not be overheating. An electric motor does not need to tick over or idle when sitting in a jam; it will simply start turning when you start moving. When driving hybrid cars there will be no power (although maybe a little hair) lost even in the most extreme of gridlocks. As the motor will not be working when the vehicle is still, there is no need for the batteries to be recharged until power is again being lost when the car starts to move forward.

The large battery supply that is required for series hybrid cars is kept supplied with energy by a generator that runs from the main gas power unit. This only needs to operate when the batteries are in need of extra power so for much of urban driving there is no need for the motor to operate as only low levels of power are required. This allows the hybrid cars engine to run without emissions for city driving, especially if some higher powered driving, as for highways or main routes is done, and the consequent loss of power means that the hybrid cars batteries are brought upon to their full power supply by the gas motor when out of the urban environment.

There are advantages to both systems, but overall the parallel system is the most flexible for hybrid cars as it allows for the option of either power source to be transferred directly to drive the car without going through another separate means of transmission to the wheels.

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