Fuel
hideFuel is any material that is burned or altered to obtain energy and to heat or to move an object. Fuel releases its energy either through a chemical reaction means, such as combustion, or nuclear means, such as nuclear fission or nuclear fusion. An important property of a useful fuel is that its energy can be stored to be released only when needed, and that the release is controlled in such a way that the energy can be harnessed to produce work. Examples: Methane, Petrol and Oil.
All carbon-based life forms—from microorganisms to animals and humans—depend on and use fuels as their source of energy. Their cells engage in an enzyme-mediated chemical process called metabolism that converts energy from food or light into a form that can be used to sustain life. Additionally, humans employ a variety of techniques to convert one form of energy into another, producing usable energy for purposes that go far beyond the energy needs of a human body. The application of energy released from fuels ranges from heat to cooking and from powering weapons to combustion and generation of electricity.
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News tagged with fuel
Molecular freight: Synthetic nanoscale transport system modeled on nature
8 hours ago |
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(PhysOrg.com) -- Just like our roads, there is a lot of traffic within the cells in our bodies, because cell components, messenger molecules, and enzymes must also be brought to the right places in the cell. One of these ...
Can Snowmobiles Adapt in the Age of Ethanol?
Dec 18, 2009 |
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(PhysOrg.com) -- By 2022, federal regulations will require a 400 percent increase in the amount of renewable fuel in America’s gasoline, from 9 billion to 36 billion gallons.
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Potatoes, algae replace oil in US company's plastics
10 hours ago |
3.4 / 5 (10) |
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Frederic Scheer is biding his time, convinced that by 2013 the price of oil will be so high that his bio-plastics, made from vegetables and plants, will be highly marketable.
Climate talks end with eye on next year
Dec 19, 2009 |
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(AP) -- A historic U.N. climate conference ended Saturday with only a nonbinding "Copenhagen Accord" to show for two weeks of debate and frustration. It was a deal short on concrete steps against global warming, ...
Research in aircraft control systems and robotics helps improve flight safety
Dec 18, 2009 |
2 / 5 (1) |
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(PhysOrg.com) -- At first blush, it may not seem like robots and aircraft control systems have anything in common. When you put them together, however, you arrive at the core of Guangjun Liu’s unique research ...
Acid oceans: the 'evil twin' of climate change
Dec 18, 2009 |
4.2 / 5 (19) |
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(AP) -- Far from Copenhagen's turbulent climate talks, the sea lions, harbor seals and sea otters reposing along the shoreline and kelp forests of this protected marine area stand to gain from any global ...
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