Archive for the ‘green renewable source’ Category

Biodiesel Power Products – Advantages & Disadvantages

Sunday, June 21st, 2009

Biodiesel energy obtained from biodiesel energy products that can be converted into usable energy forms known as biodiesel power. Biodiesel power resources can be put to several uses. The main use of biodiesel power resources is to supply power to diesel vehicles so that they can run smoothly and efficiently.

There are many advantages of biodiesel power resources. They are clean and non toxic alternative power resources. Biodiesel power is obtained from bio diesel which as a green renewable energy source does not emit harmful substances on burning. Biodiesel power products do not emit greenhouse gases. They are biodegradable. And above all they are renewable energy sources.

A major disadvantage of biodiesel power products is that they are very costly. Because of this it is usually not chosen by consumers as a fuel. The use of biodiesel power resources increases the amount of nitrogen oxide in the air which causes smog. The energy content and concentration of bio diesel is less and therefore biodiesel power products result in power loss in engines of vehicles. As an alternative energy source, bio diesel is not widely available and therefore bio diesel power cannot be easily generated at all places. The hoses of vehicles are made of rubber that can be degraded by use of bio diesel.

But the advantages of biodiesel power products outweigh their disadvantages. With the increasing energy demands, the use of biodiesel power products is becoming more popular as alternative power sources because they are cost effective.

Solar Energy- A Green Renewable Energy Source

Friday, June 19th, 2009

Solar energy is the energy obtained from the sun which is an alternative energy resource. The energy is available either in the form of heat or light. Solar energy can benefit a number of people as it can be put to many uses. It is an alternative energy source that is readily and freely available

There are a number of advantages of solar energy. The most important of them is the fact that it is a renewable source of energy whose supply will last till there is sun. It is also a non polluting source of energy. The use of solar cells requires low maintenance and these are long lasting. The devices that use solar energy are easy to install and operate. As a green renewable source, it does not adversely affect the eco-system. Solar energy is also a cost effective alternative energy source.

Solar energy also has many disadvantages. The devices that use this alternative energy resource are very expensive. Adequate sunshine must be ensured for exploring the full potential of renewable solar energy. Many solar energy devices use cadmium which is a highly toxic substance and can cause the degradation of the environment. This alternative energy source cannot be used at night for the generation of solar energy.

Solar energy as an alternative energy source has not been utilized to its full potential. This is because the methods of harnessing solar energy are few and not efficient. New and improved methods must be developed for effective trapping of solar energy so that it can be utilized in a better manner.