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The Tennessee Valley Authority is slated to announce whether it will install costly air-pollution controls at the Allen facility or add it to the growing list of coal-fired plants that are being retired....Coal-fired units such as those at Allen once produced 80 percent of TVA's power. But during the fiscal year 2013, which ended Sept. 30, the fuel accounted for just 38 percent of the agency's electricity. And TVA's goal is to gradually whittle that figure to 20 percent over the next decade, Johnson [TVA Pres/CEO] said.Within the past ten years, a significant supply of LP gas was discovered in Eastern Arkansas, along a geological formation known to locals as Crowley's Ridge. In places, this deposit is within 20 miles or so of Memphis, by direct pipeline. Easy access to this fuel would reduce costs significantly and encourage the power authority to convert its existing gas-fired turbines and add to their number, to generate adequate electricity for this city and surrounding areas. The cost savings would be far greater than the 2% mentioned in the OP's question for using an additive in coal-fired facilities.

The improvement to the environment would be substantial, as well.I still have no idea if "coal fuel additives improve power plant efficiency," but it looks like the question may be irrelevant, given the trend toward using other cleaner and less costly fuels. Sources:TVA decision on Memphis plant approachingAllen Fossil Plant High Quality Greenhouse Covering, Always Low Pricing Showing 1 - 40 of 47. Standard Clear Greenhouse Film, 6mil Thermal Anti-Condensate Greenhouse Film, 6mil Easy Ship 2' Wide Twinwall Polycarbonate Solexx XP 3.5mm, per linear foot Solar Max Reinforced Poly Film Easy Ship 2' Wide Corrugated Polycarbonate White Greenhouse Film, 6mil Solexx PRO 5mm, 49.5" wide, per linear foot Clear Double Layer Tube Greenhouse Film, 6mil Clear Overwintering Film, 3mil White Overwintering Film, 5mil Polycarbonate Panel, 8mm Clear Polycarbonate Panel, 8mm Triple Wall Acrylite Acrylic Panel, 16mm Clear Polycarbonate Panel, 6mm Opal

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