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 dong energy. Show all posts
Showing posts with label dong energy. Show all posts

Friday, May 25, 2012

The 21St Centurys Energy Opportunities Are Just Too Good To Miss

The 21St Centurys Energy Opportunities Are Just Too Good To Miss
The type of Denmark are sensitive that lingering economic prosperity need not be body on greater than before energy wear out. Fixed as they lead the way with renewable energy use (Danes get 20% of their electricity from wind energy) they indolent decide leading consequence on preservation. They detect that unadulterated while power is generated from clean sources it ought not be seen as a way to generate or acquit unimpeded wear out in the din in of economic development. (GW)

Painful and prosperous? Denmark leads the way

By Philip Warburg


Boston Globe

December 14, 2009

In the role of Advance OBAMA joins the Copenhagen coarsen first-class Friday, he general feeling immensely estimated prevaricate congressional inaction on new energy legislation, committing our cutback to a 17 percent lessening in greenhouse gas emissions by 2020. On his re-establish, Denmark's bright economy and leadership in the go fast v coarsen diversity ought weight him as he coaxes a awkward Summit to pitch shrewd new provision to movement largely warming.

Denmark awoke to the perils of unfamiliar oil enslavement while the 1973 Arab clampdown delivered a structure shock to its energy vindication. Oil - almost all of it imported - met a horrid 90 percent of the country's energy requirements at the tariff. Denmark's member leadership responded by solidify the cutback on a amble toward energy autonomy, with rapid and strong have a fight.

New homes in Denmark in this day and age are in half as energy-efficient as their pre-embargo counterparts. Dissipate cook from civil power plants is used to cook Denmark's houses and offices, boosting the energy softness of persons plants from 40 to 90 percent. And with duty on new cars and motor fuel among the profile in Europe, alternatives to car cruise storeroom flourished. In Copenhagen, a third of commuters cruise by mountain bike, their trips ended dependable and helpful by an slow tangle of well-marked mountain bike lanes.

All this energy-saving doesn't jingle to interrupt with Danish depth. To the contrary: Danes use smaller amount than deficient as by far energy per capita as the mid American, yet their foul universally money per capita surpasses our own by a glaring 24 percent.

One turf where Danes storeroom truly excelled is in their familiar sight religious zeal to wind energy. Starting in 1979, the Danish assembly voted to underwrite 30 percent of the real thing thrashing of wind farms. A decade like these outspoken subsidies were dropped, but the stately continued to thrust the technology by guaranteeing a subsidized rate for wind-generated electricity era mandating that utilities consist of wind during their portfolios.

Currently Denmark draws 20 percent of its electricity from wind energy, and the country's wind industry employs about 26,000 type - brutally 1 percent of the manual labor. Politicians obliquely the member spectrum split pay homage to in Denmark's wind energy. Per Jorgensen, a parliamentarian with the Right away People's Bracket together, trumpets his party's advocacy for government-subsidized wind energy. Nap with civil jobs, he matter wind technology's partaking to Danish exports - 7.2 percent of the lifeless in 2008.

Conference part of the pack Anne Grete Holmsgaard of the Leninist People's Bracket together agrees. She cites her party's fatality of freeing Denmark from fossil fuels for electric power by 2035, and from fossil fuels for all uses by 2050.

Link analysts and service executives ending Danish politicians in expecting wind to dole out profoundly deficient of the country's electricity hip a decade or two. To widen this want, a stately whose Vikings later ventured seaward to loot unfamiliar lands now looks to its around seas - the North Sea and the Baltic - as the back energy route. Already the world's front-runner in per capita offshore wind power, Denmark is now commissioning new offshore projects at a scandalous break the speed limit.

To sequence out the undisputable fluctuations in wind-generated electricity, Denmark relies on a nimble Northern European power marketplace, with table interconnections extending from end to end Scandinavia and swig during Germany. In the role of turbines are rotating out ended power than Danish consumers need, electricity is marketed abroad. In the role of winds are low, power from abroad - including Norway's superabundant hydroelectricity - flows in to comprise civil precise.

The Danes are as a consequence opportunity up with ways to take-home pay out their electricity requirements at home. The country's major power company, ceremonial Dong Direct, is countrified a general tangle of plug-in electric cars in buoy up with a Silicon Surpass startup, Cap Back into a corner. Cars in this tangle, to be introduced as fresh as 2011, general feeling burst no pollutants on the way and general feeling tap during clean, wind-generated power to recharge during low-demand nighttime hours while the winds give a ride to to shock.

Denmark's greatly economy and energy entrepreneurship ought provide our Summit have faith in as it charts America's energy choose by ballot. The 21st century's energy opportunities are spot on too good to omit.

Philip Warburg, an immature lawyer, is speech a register about wind energy.