Download Alternative Energy by Neil Schlager, Jayne Weisblatt PDF

By Neil Schlager, Jayne Weisblatt

This three-volume set introduces researchers to concerns surrounding either present strength resources and replacement power suggestions. whereas there's major dialogue of the non-renewable assets now used to satisfy the vast majority of the world's strength wishes (oil, coal and normal gas), the first concentration of the set is on more recent techniques to fulfill the ever-growing call for. those thoughts comprise wind and solar power, gasoline cells, hydropower, geothermal energy and biomass strength. moreover, extra theoretical assets also are explored, together with chilly fusion, 0 aspect strength and common forces. Entries talk about the technological know-how in the back of the strength resource, amazing scientists and medical discoveries, present examples of use, and the problems, demanding situations and stumbling blocks to large-scale use. prepared alphabetically by way of access identify.

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HultonDeutsch Collection/Corbis. 1. 2. 3. In order to keep the fire burning, the locomotive has to carry a large pile of coal, which a person called the fireman constantly shovels into the firebed. ) The ashes left over from the burning coal fall through grates into an ashpan below the firebed. The ashes are dumped at the end of the train’s run. This basic process was not only used in trains. Steam engines also powered riverboats, steamships, and factories. Most trains in the twenty-first century are powered by diesel fuel or electricity.

Scientists are constantly looking for technology that makes fossil fuels work more efficiently and reduces pollution. Fossil fuels are so common and considered so necessary that there is great incentive for engineers to improve methods of acquiring and using fossil fuels. Technology under development includes: • Clean coal technology • Vehicles powered by natural gas or substances other than gasoline • Fuel cells that use small amounts of fossil fuel to make hydrogen • Safer means of transporting fossil fuels • Improved techniques for cleaning fossil fuels before, during, and after burning • Improvements in extracting fossil fuels from the ground Benefits and drawbacks of fossil fuels Most existing technology was designed for use with fossil fuels.

Fossil fuels account for 98 percent of carbon dioxide emissions, 24 percent of methane emissions, and 18 percent of nitrous oxide emissions. Oil spills When transporting petroleum, there is always the danger that the oil will leak out of its tank and contaminate the local environment. Many oil spills occur when a giant tanker ship crashes and the petroleum leaks out of the tank into the ocean. Spills can also happen when oil wells or pipelines break, or when tanker ships wash their giant tanks, rinsing the residue straight into the ocean.

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