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May 14, 2011

Hybrid Electric Cars


Jose Marc Castro asked:

Many people believe that hybrid electric cars have opened the marketplace for pure electric cars as well as increasing demand for hybrid vehicles. But what exactly is a hybrid electric car and what can it do for you?

Hybrid vehicles

A hybrid vehicle is one which integrates both traditional internal combustion engine power with that of electric motors and onboard batteries. It is this ability to integrate these technologies which has increased efficiency, increased reliability and ultimately increased the trust of motorists around the world.

Parallel hybrids

A parallel hybrid system is one which sees both internal combustion engine power and electric motor power linked directly to the transmission system. The ability to extract power from these two very different sources has led to greater efficiency and extended the distance you are able to drive before a recharge is required.

Series hybrids

In general a series hybrid vehicle is used for short distances and possibly town and city travel. The vehicle itself is powered by an electric motor, as opposed to an internal combustion engine, but there is an internal combustion engine helping to power the electric motor by recharging the onboard batteries. These vehicles also tend to incorporate things such as regenerative braking and other new energy-efficient systems.

Series parallel hybrids

As you might guess, a series parallel hybrid vehicle is one which incorporates both technologies and allows the driver to switch between the two. Very often a different mix of the technology will be required for different journeys and the variations available with this particular type of vehicle have hit home with the mass market.

The efficiency of electric cars

The success of the electric car market has until today depend upon the ability to balance out lower emissions, more environmentally friendly fuel systems and extended journey capacity. While there have been massive improvements in electric battery power technology there is still further to go and indeed a purely electric powered car will have nowhere near the same journey potential as a traditional fuel powered vehicle.

We also need to take into account the fact that there are very few electric car recharging stations around the world, although places such as the UK have begun to make plans for the future, but as the number does increase we will see more “pure” electric cars on the market. Finding this balance between efficiency, reliability, speed and extended journey capacity is the key to the future.

Conclusion

For many years there was a stigma attached to the electric car market which took some time to shake off but finally it seems to have disappeared. Many experts believe it was the introduction of the hybrid vehicle, which offers a combination of electric power and standard internal combustion engine power, which broke the back of consumers who had a definite mistrust of electric vehicles before then.

Thankfully, slowly but surely we are seeing electric power become more prominent in the car market and this is a trend which is likely to continue for some time to come. As technology improves, specifically in the battery market, so the reliability factor, the trust factor and the performance factor will also improve.



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September 24, 2008

Hybrid Electric Car: A Promising Technology for a Promising Future for the Environment


electric car
Hilal Abdelwali asked:


A hybrid-electric vehicle, or HEV, combines an electrical energy storage system with an occupied means of generating electrical energy, usually through the consumption of some type of fuel. Each type of HEV has its own operating quality and chosen design practices, as well as advantages and disadvantages.

The development of interior ignition engine vehicles, especially in automobiles, is one of the supreme achievements of modern technology as a new rising energy saving and environment -friendly vehicle, that is why the hybrid-electric vehicles were created to give convenience to every human.

In the process of creating the hybrid electric car, the most important is the energy saving and the environmental protection. Wherein nowadays this are the common problems faced by the society.

Having the hybrid-electric car evolved from the electric car. However, the main disadvantage of the electric car is that it is mainly dependent on the batteries. Therefore, has limited range.

First of all, the hybrid electric car was supposed to be an electric vehicle with batteries for power storage and is also equipped with an on-board heat engine-powered generator. This means that this type of hybrid has an extended range.

The heat engine power and the battery power are specifically intended as an important scheme that constantly modulates the excess between the heat engine and the battery power systems. This will also depend on the driving schedule.

Since the beginning of the use of automobiles, electric cars have been already recognized and conceptualized. Even though the electric power train is better in various aspects, as an energy source, the battery was unequal to the superior-energy content, easiness in terms of the handling, and inexpensive and profuse supplies of motor fuel.

Now, it has almost been a century since the electric car has been popularly discussed, but recent developments in the HEV technology and the growing concerns for the environment has revived the drive for an HEV and this has become a realization today.

We can consider the personal means of transportation as a very important bond in the economic chain of current modern societies and that a private vehicle appears to be the popular choice.

Electric vehicles are more energy efficient than the contemporary vehicles wherein the electric vehicles operates at approximately 46 percent of effectiveness, while a contemporary vehicle operates at about 18 percent only.

There are studies that generally concludes that electric cars with batteries are approximately 10 to 30 percent more efficient with energy than the usual gasoline cars, depending on the exact assumptions of the vehicles energy usage and energy chain efficiency.

Certainly, the comparisons of the electric vehicles and the conventional vehicles are comparisons between an extremely developed power system that is nearly in the end of its research and development, and the innovative power system in the beginning stages of the development wherein important development can be expected as the new technology evolves.

Furthermore, the advantages of electric powered modes of transportation extends beyond the true outlook of economizing energy. Electric generation plants can use substitute fuels that are not adaptable to portable power systems.

Electric vehicles are the definitive alternative fuel vehicles because their power is taken from the source fuels utilized to produce electricity. Aside from that, the flexibility of the fuel alone can offer important useful and economic advantages especially in relation to a variety of energy resources.

The electric car is truly a promising technology that could transform one’s means of transportation into a far more environmentally type of commodity. Through this innovation emission controls become more important, effective and economically beneficial.

Electric Cars Video Channel



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