Alternative Energy - download pdf or read online

By Wynell Graves

ISBN-10: 9381157391

ISBN-13: 9789381157398

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On October 2008 the first "biofuels corridor" was officially opened along I-65, a major interstate highway in the central United States. Stretching from northern Indiana to southern Alabama, this corridor consisting of more than 200 individual fueling stations makes it possible to drive a flex-fueled vehicle from Lake Michigan to the Gulf of Mexico without being further than a quarter tank worth of fuel from an E85 pump. On April 23, 2009, the California Air Resources Board approved the specific rules and carbon intensity reference values for the California Low-Carbon Fuel Standard (LCFS) that will go into effect in January 1, 2011.

In this process, ethanol vapor under pressure passes through a bed of molecular sieve beads. The bead's pores are sized to allow absorption of water while excluding ethanol. g. N2) to remove the absorbed water. Two beds are used so that one is available to absorb water while the other is being regenerated. This dehydration technology can account for energy saving of 3,000 btus/gallon (840 kJ/l) compared to earlier azeotropic distillation. Technology Ethanol-based engines Ethanol is most commonly used to power automobiles, though it may be used to power other vehicles, such as farm tractors, boats and airplanes.

Other properties such as energy density, viscosity and heat of vaporisation will vary and may further limit the percentage of butanol that can be blended with gasoline. Consumer acceptance may be limited due to the offensive smell of butanol. Plans are underway to market a fuel that is 85% Ethanol and 15% Butanol (E85B), so existing E85 internal combustion engines can run on a 100% renewable fuel that could be made without using any fossile fuels. Because its longer hydrocarbon chain causes it to be fairly non-polar, it is more similar to gasoline than it is to ethanol.

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Alternative Energy by Wynell Graves


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