Posted by
Sarah Green on Dec 21st, 2011 in
Coal |
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Electricity is mostly generated at an amount that meets what is demanded, as it is tricky to store surplus energy. Nevertheless it’s feasible to store smaller quantities of energy for personal and domestic uses. Batteries and fuel cells both produce electricity by employing electrochemical reactions. Flywheels store energy as they spin.
The battery
A convenient store of energy is the electrical cell or...
Posted by
Sarah Green on Dec 20th, 2011 in
Coal |
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The electricity generation process involves several energy changes, irrespective of the 1st energy source that’s utilised. Traditionally, electricity has been generated using fossil fuels, especially coal. More recently, power stations have started to use gas and oil as their source of energy. Oil-fired power stations are common in oil manufacturing nations, such as Indonesia. Gas burns more cleanly and...
Posted by
Sarah Green on Dec 17th, 2011 in
Coal |
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Smog
The particles and gases from auto exhaust pipes can create photochemical smog. This form of smog is very often found in hot, dry and bright cities like Athens in Greece, Cairo in Egypt and Mexico City. The automobile exhaust pipes pump out gases like nitrous oxide, carbon monoxide and ozone that react together in the sunlight. The result is a smoggy haze over the city.
Los Angeles in California, USA, has...
Posted by
Scott M Stolz on Aug 9th, 2009 in
Currents |
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This entry is part 10 of 10 in the series Hybrid Vehicles. From being cost effective to environmentally friendly, there are unlimited reasons that are mounting up for the increased popularity of hybrid vehicles. Though these vehicles were not valued in the past due to some lacking features and benefits, they are now emerging as better alternatives to the traditional vehicles. In case you are still not sure and...
Posted by
Scott M Stolz on Aug 9th, 2009 in
Currents |
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This entry is part 7 of 10 in the series Hybrid Vehicles. If you have witnessed the popularity of hybrid vehicles over last few years, you may be wondering, what are the reasons that add to the popularity of these vehicles? The huge recognition of hybrid vehicles can be attributed to the amazing cost-effective and eco friendly benefits that it provides. Seen not just in the United States, but all over the...