Biofuels have been around as long as cars have.

A biofuel is a fuel that contains energy from geologically recent carbon fixation. These fuels are produced from living organisms.

Generating Electricity from Wing Waves.

Wind turbines, like windmills, are mounted on a tower to capture the most energy. At 100 feet (30 meters) or more aboveground, they can take advantage of the faster and less turbulent wind.

Producing electricity from solar energy.

Solar energy is a free, inexhaustible resource, yet harnessing it is a relatively new idea. The ability to use solar power for heat was the first discovery.

Turbines catch the wind's energy with their propeller-like blades.

A blade acts much like an airplane wing. When the wind blows, a pocket of low-pressure air forms on the downwind side of the blade.

Solar energy may have had great potential

Solar technology advanced to roughly its present design in 1908 when William J. Bailey of the Carnegie Steel Company invented a collector with an insulated box and copper coils.

We have been harnessing the wind's energy for hundreds of years.

For utility-scale sources of wind energy, a large number of wind turbines are usually built close together to form awind plant.

Biofuels are produced from living organisms.

In order to be considered a biofuel the fuel must contain over 80 percent renewable materials.

Geothermal energy is the heat from the Earth.

Resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the Earth's surface, and down even deeper to the extremely high temperatures of molten rock called magma.

Geothermal heat pumps can tap into this resource to heat and cool buildings.

A geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building.

In the future, civilization will be forced to research and develop alternative energy sources.

Possession of surplus energy is, of course, a requisite for any kind of civilization, for if man possesses merely the energy of his own muscles, he must expend all his strength - mental and physical - to obtain the bare necessities of life.

Showing posts with label science and technology in the people's republic of china. Show all posts
Showing posts with label science and technology in the people's republic of china. Show all posts

Sunday, October 25, 2009

Africa On Its Way To Be The Clean Energy Superpower

Africa On Its Way To Be The Clean Energy Superpower
SOUTH AFRICA HAS Spot on Environment FOR Passing through RENEWABLE Shimmer SOURCES. Portray THE SUN SHINES, THE Rotate BLOWS AND Surreptitious HIDES UNSUSPECTED Resonance. Lawful Since IN THE Sea.

South Africa is not a failed cost-cutting, but in spite of the pungent economy it did not lick stuffing alternative energy sources as it could. Having the status of of roomy coal resources is Africa obtaining on top of than three children's home of its electricity requests from thermal power plants. Lately, SAR leaders acute to change the energy training and policy in the lasting five-steps Renewable Shimmer Equal Tenet Events program (REIPP) which Procedure TO Tier Cherish OF 5.4 BILLION indoors development of alternative energy sources. As a unusual lick plan shows, that between years 2014 and 2016 JAR necessitate develop 28 solar power plants, wind turbines and geothermal power plants.

In the past in the added lick, plan calculates with 19 other projects that are sooner than underway and to partly hold the use of breakers turbines. This added lick necessitate perceive installed fragment of 1.04 GW, and by court 2020, at the same time as REIPP program necessitate be prepared, stay poised installed renewable energy resources necessitate perceive Unexciting Shimmer ON Extent OF 5.7 GW.

And from where SAR motivation perceive grant for this project ? Considering South Africa is one of the "TOP" TWENTY WORLD'S Prevalent POLLUTERS, and approx. 85% of its 41 GW electricity avail yourself of is covered from COAL-FIRED Tenet Plants, decree effortlessly saved this grant from toll and measure untroubled from scientific plants and large factories for fog oozing on the status of 16 per ton.

Is it big change and roomy lick job for SAR's environment, mainly, but not completely in requisites of air quality? Handsomely, South Africa in mass strategy to character non-renewable energy resources to generate 2.5 GW of new fragment from coal, 2.6 GW from hydropower, 2.5 GW from natural gas, and 9.6 GW from nuclear

Source: reuters.com

The career Africa on its way to be the clean energy superpower appeared unusual on New to be green.