Renewable energy

Renewable energy - Wind energy. Main articles: Wind power, and [[{{{2}}}]], and [[{{{3}}}]], and [[{{{4}}}]]< ...

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Renewable energy, Renewable energy - Modern sources of renewable energy, Renewable energy - Wind energy, Renewable energy - Water power, Renewable energy - Solar energy, Renewable energy - Geothermal energy, Renewable energy - Biomass, Renewable energy - Small scale energy sources, Renewable energy - Issues, Renewable energy - Aesthetics habitat hazards and land use, Renewable energy - Concentration, Renewable energy - Proximity to demand, Renewable energy - Availability, Renewable energy - Fossil fuels, Renewable energy - Transmission, Renewable energy - Historical usage of renewable energy

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Renewable energy - Wind energy. Main article: Wind power As the sun heats up the Earth unevenly, winds are formed. The kinetic energy in the wind can be used to run wind turbines, some capable of producing 5 MW of power. The power output is a function of the cube of the wind speed, so such turbines generally require a wind in the range 5.5 m/s (20 km/h), and in practice relatively few land areas have significant prevailing winds. Lu ...

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Renewable energy, Renewable energy - Modern sources of renewable energy, Renewable energy - Wind energy, Renewable energy - Water power, Renewable energy - Solar energy, Renewable energy - Geothermal energy, Renewable energy - Biomass, Renewable energy - Small scale energy sources, Renewable energy - Issues, Renewable energy - Aesthetics habitat hazards and land use, Renewable energy - Concentration, Renewable energy - Proximity to demand, Renewable energy - Availability, Renewable energy - Fossil fuels, Renewable energy - Transmission, Renewable energy - Historical usage of renewable energy

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Main article: Renewable energy Another possible solution to an energy shortage or predicted future shortage would be to use some of the world's remaining fossil fuel reserves as an investment in renewable energy. Before the industrial revolution, they were the only energy source used by humanity. Solid biofuel like wood is still the main power source for many poor people in developing countrie ...

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Future energy development, Future energy development - General considerations, Future energy development - History of predictions about future energy development, Future energy development - Fossil fuels, Future energy development - Oil, Future energy development - Natural gas, Future energy development - Coal, Future energy development - Nuclear power, Future energy development - Renewable energy, Future energy development - Increased efficiency in current energy use, Future energy development - Energy storage and transportation fuel, Future energy development - Speculative

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Renewable energy - Wind energy. As the sun heats up the Earth unevenly, winds are formed. The kinetic energy in the wind can be used to run wind turbines, some capable of producing 5 MW of power. The power output is a function of the cube of the wind speed, so such turbines generally require a wind in the range 5.5 m/s (20 km/h), and in practice relatively few land areas have significant prevailing winds. Lu ...

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Renewable energy, Renewable energy - Modern sources of renewable energy, Renewable energy - Wind energy, Renewable energy - Water power, Renewable energy - Solar energy, Renewable energy - Geothermal energy, Renewable energy - Biomass, Renewable energy - Small scale energy sources, Renewable energy - Issues, Renewable energy - Aesthetics habitat hazards and land use, Renewable energy - Concentration, Renewable energy - Proximity to demand, Renewable energy - Availability, Renewable energy - Fossil fuels, Renewable energy - Transmission, Renewable energy - Historical usage of renewable energy

Read more here: » Renewable energy: Encyclopedia II - Renewable energy - Modern sources of renewable energy

Biodiesel is fuel made from renewable resources such as vegetable oils or animal fats. It is biodegradable and non-toxic, and has significantly fewer emissions than petroleum-based diesel (petro-diesel) when burned. Biodiesel functions in current diesel engines, and is a possible candidate to replace fossil fuels as the world's primary transport energy source. With a flash point of 150 °C, Biodiesel is classified as a non-flammable liquid by the Occupational Safety and Health Administration. This property makes a vehicle fuele ...

Including:

• Biodiesel - History
• Biodiesel - Fuel quality standards and properties
• Biodiesel - Production
• Biodiesel - Base oils
• Biodiesel - Efficiency and economic arguments
• Biodiesel - Availability
• Biodiesel - Australia
• Biodiesel - Brazil
• Biodiesel - Belgium
• Biodiesel - Canada
• Biodiesel - Germany
• Biodiesel - India
• Biodiesel - United States

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Wave power refers to the energy of ocean surface waves and the capture of that energy to do useful work - including electricity generation, desalination, and the pumping of water (into reservoirs). Wave power is a form of renewable energy. Though often co-mingled, wave power is distinct from the diurnal flux of tidal power and the steady gyre of ocean currents. Wave power generation is not a widely employed technology, with only a few experimental sites in existence. Wave power - The waves. In general, larg ...

Including:

• Wave power - The waves
• Wave power - Challenges
• Wave power - State of the art
• Wave power - Potential
• Wave power - Discussion of Salter's Duck
• Wave power - Renewable energy sources
• Wave power - Other
• Wave power - Patents
• Wave power - Sources and external articles
• Wave power - Company and institutional links with technology descriptions

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Renewable energy - Aesthetics habitat hazards and land use. Some people dislike the aesthetics of wind turbines or bring up nature conservation issues when it comes to large solar-electric installations outside of cities. Some people try to utilize these renewable technologies in an efficient and aesthetically pleasing way: fixed solar collectors can double as noise barriers along highways, roof-tops are available already and could even be replaced totally by solar collectors, amorphous photovoltaic cells can be u ...

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Renewable energy, Renewable energy - Modern sources of renewable energy, Renewable energy - Wind energy, Renewable energy - Water power, Renewable energy - Solar energy, Renewable energy - Geothermal energy, Renewable energy - Biomass, Renewable energy - Small scale energy sources, Renewable energy - Issues, Renewable energy - Aesthetics habitat hazards and land use, Renewable energy - Concentration, Renewable energy - Proximity to demand, Renewable energy - Availability, Renewable energy - Fossil fuels, Renewable energy - Transmission, Renewable energy - Historical usage of renewable energy

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The use of ethanol as a fuel for internal combustion engines, either alone or in combination with other fuels, has been given much attention mostly because of its possible environmental and long-term economical advantages over fossil fuel. Both ethanol and methanol have been considered for this purpose. While both can be obtained from petroleum or natural gas, ethanol may be the most interesting because many believe it to be a renewable resource, easily obtained from sugar or starch in crops and other agricultural produce such ...

Including:

• Ethanol fuel - Ethanol fuels
• Ethanol fuel - Production and Distribution
• Ethanol fuel - Other alcohols
• Ethanol fuel - Ethanol and hydrogen
• Ethanol fuel - Alternate sources
• Ethanol fuel - Economics of corn ethanol in the U.S.A.
• Ethanol fuel - Net fuel energy balance
• Ethanol fuel - Energy balance in the United States
• Ethanol fuel - Arguments and criticisms
• Ethanol fuel - Air pollution
• Ethanol fuel - Fire safety
• Ethanol fuel - Greenhouse gases
• Ethanol fuel - Renewable resource
• Ethanol fuel - Dependency on foreign oil and international crime
• Ethanol fuel - Statism
• Ethanol fuel - Cost
• Ethanol fuel - Ethanol fuel in Colombia
• Ethanol fuel - Ethanol fuel in Brazil
• Ethanol fuel - U.S. National security

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List of energy topics - Books. The Hype about Hydrogen List of energy topics - Renewable Energy News Sources. A listing of agencies that regularly report on clean, renewable energy developments. (in alphabetical order) Free Energy News - Daily coverage of cutting edge, clean, renewable, inexhaustible energy-source technology from around the world. Average volume: five per day. FuelCellToday FuelCellsWorks Average volume: ...

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List of energy topics, List of energy topics - Energy infrastructure, List of energy topics - Energy applications, List of energy topics - General energy topics, List of energy topics - Energy technology inventors, List of energy topics - Energy culture, List of energy topics - Issues, List of energy topics - Energy Policies - National and International, List of energy topics - Energy unit terms, List of energy topics - Energy companies, List of energy topics - Non-profit organizations, List of energy topics - Industry associations, List of energy topics - Media, List of energy topics - Books, List of energy topics - Renewable Energy News Sources, List of energy topics - Energy-Related Categories

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Green energy - Purchase of green energy through the electrical grid. Purchasing and using green energy is generally easier in the 21st century then it was in the 20th century, such when compared to the 1950s. There is no longer a need to invest thousands of dollars and hours of time to install a renewable energy system on one's home or business, such as a solar photovoltaic system or a small wind turbine system. Now, buying green energy is available through contact of one of the many third-party energy suppliers ...

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Green energy, Green energy - Purchase of green energy, Green energy - Purchase of green energy through the electrical grid, Green energy - Purchase of green energy through localized renewable systems

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Via The Electrical Grid Purchasing and using Green Energy has never been easier than it is in 2006. There is no longer a need to invest thousands of dollars and hours of time to install a renewable energy system on one's home or business, such as a solar photovoltaic system or a small wind turbine system. Now, buying Green Energy is as easy as contacting one of the many third-party energy suppliers that sell electricity made from renewable sources, such as Green Mountain Energy or Sterling Planet. The Green Energy is delivered ...

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Green energy, Green energy - How to Purchase Green Energy

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List of energy topics - Issues. Environmental concerns with electricity generation Soft energy path - an energy use and development strategy delineated and promoted by some energy experts and activists Nuclear power phase-out - a policy to abandon nuclear power. ...

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List of energy topics, List of energy topics - Energy infrastructure, List of energy topics - Energy applications, List of energy topics - General energy topics, List of energy topics - Energy technology inventors, List of energy topics - Energy culture, List of energy topics - Issues, List of energy topics - Energy Policies - National and International, List of energy topics - Energy unit terms, List of energy topics - Energy companies, List of energy topics - Non-profit organizations, List of energy topics - Industry associations, List of energy topics - Media, List of energy topics - Books, List of energy topics - Renewable Energy News Sources, List of energy topics - Energy-Related Categories

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All the energy we consume is generated by using the four fundamental interactions of nature: gravity, electromagnetism, the weak nuclear force and the strong nuclear force to create work. Fission energy and fusion energy are generated by electromagnetism and the strong nuclear force. Most forms of terrestrial energy can be traced back to fusion reaction inside the sun, with the exception of tidal power, geothermal energy and nuclear power. Geothermal energy is believed to be generated primarily by radioactive decay inside the Earth[2]. Radio ...

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Future energy development, Future energy development - General considerations, Future energy development - History of predictions about future energy development, Future energy development - Fossil fuels, Future energy development - Oil, Future energy development - Natural gas, Future energy development - Coal, Future energy development - Nuclear power, Future energy development - Renewable energy, Future energy development - Increased efficiency in current energy use, Future energy development - Energy storage and transportation fuel, Future energy development - Speculative

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The main components of the drive system of any electrically powered boat are similar in all cases, and similar to the options available for any electric vehicle. Electric boat - Charger. Electric energy will have to be obtained for the battery bank from some source. Mains charger allows the boat to be charged from a shore-side power point when one is available. This calls into question claims that the boat is 'non-polluting' and uses 'renewable energy', but at least it does not directly ...

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Electric boat, Electric boat - Components, Electric boat - Charger, Electric boat - Battery bank, Electric boat - Speed controller, Electric boat - Electric motor, Electric boat - Drive chain, Electric boat - Types, Electric boat - Lifetime pollution and energy costs

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There is a widely held misconception that hydrogen is an alternative energy source. There are no uncombined hydrogen reserves on Earth that could provide energy like fossil fuels or uranium. Uncombined hydrogen is instead produced with the help of other energy sources. It may play an important role in a future hydrogen economy as a general energy storage system, used both to smooth power output by intermittent power sources, like solar power, and as transportation fuel for vehicles. However, the idea is currently impractical: hydrogen is inefficient to produce, and expensive to store, trans ...

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Future energy development, Future energy development - General considerations, Future energy development - History of predictions about future energy development, Future energy development - Fossil fuels, Future energy development - Oil, Future energy development - Natural gas, Future energy development - Coal, Future energy development - Nuclear power, Future energy development - Renewable energy, Future energy development - Increased efficiency in current energy use, Future energy development - Energy storage and transportation fuel, Future energy development - Speculative

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New technology may make better use of already available energy through improved efficiency, such as more efficient fluorescent lamps, engines, and insulation. Using heat exchangers, it is possible to recover some of the energy in waste warm water and air, for example to preheat incoming fresh water. Hydrocarbon fuel production from pyrolysis could also be in this category, allowing recovery of some of the energy in hydrocarbon waste. Meat production is energy inefficient compared to the production of protein sources like soybean or Quorn. Al ...

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Future energy development, Future energy development - General considerations, Future energy development - History of predictions about future energy development, Future energy development - Fossil fuels, Future energy development - Oil, Future energy development - Natural gas, Future energy development - Coal, Future energy development - Nuclear power, Future energy development - Renewable energy, Future energy development - Increased efficiency in current energy use, Future energy development - Energy storage and transportation fuel, Future energy development - Speculative

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Fossil fuels supply most of the energy consumed today. They are relatively concentrated and pure energy sources and technically easy to exploit, and provide cheap energy if the costs of pollution and subsidies are ignored. Petroleum products provide almost all of the world's transportation fuel. Pollution is a large problem. Fossil fuels contribute to global warming and acid rains. The use of fossil fuels, mainly coal, causes tens of thousands of deaths each year in the US alone from diseases like respiratory disease, cardiovascular d ...

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Future energy development, Future energy development - General considerations, Future energy development - History of predictions about future energy development, Future energy development - Fossil fuels, Future energy development - Oil, Future energy development - Natural gas, Future energy development - Coal, Future energy development - Nuclear power, Future energy development - Renewable energy, Future energy development - Increased efficiency in current energy use, Future energy development - Energy storage and transportation fuel, Future energy development - Speculative

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Ever since the beginning of the Industrial Revolution, the question of the future of energy supplies has occupied economists. 1865 - William Stanley Jevons published The Coal Question in which he claimed that reserves of coal would soon be exhausted and that there was no prospect of oil being an effective replacement. 1885 - US Geological Survey: Little or no chance of oil in California. 1891 - US Geological Survey: Little or no chance of oil in Kansas or Texas. 1914 - US Bureau of Mines: ...

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Future energy development, Future energy development - General considerations, Future energy development - History of predictions about future energy development, Future energy development - Fossil fuels, Future energy development - Oil, Future energy development - Natural gas, Future energy development - Coal, Future energy development - Nuclear power, Future energy development - Renewable energy, Future energy development - Increased efficiency in current energy use, Future energy development - Energy storage and transportation fuel, Future energy development - Speculative

Read more here: » Future energy development: Encyclopedia II - Future energy development - History of predictions about future energy development

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Future energy development, Future energy development - General considerations, Future energy development - History of predictions about future energy development, Future energy development - Fossil fuels, Future energy development - Oil, Future energy development - Natural gas, Future energy development - Coal, Future energy development - Nuclear power, Future energy development - Renewable energy, Future energy development - Increased efficiency in current energy use, Future energy development - Energy storage and transportation fuel, Future energy development - Speculative

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Oil is believed to be a finite resource. Even if abiogenic oil were possibly the source, the theory is not of practical use unless significant deposits are discovered. Significant usage of renewable energy sources such as hydroelectricity and nonrenewable nuclear power and scientific advances have reduced the dependency on fossil fuels, of which household usage has increased nonetheless. Petroleum is also important because it is a source of petrochemicals, for which there are a vast variety of uses. The principle of supply and demand ...

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Fossil fuel, Fossil fuel - Origin, Fossil fuel - A limited resource

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