He anticipates that Consol will send about six million metric tons of this type of coal to China next year.

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The market soon found another solution for glassmaking, a new type of coal furnace, patented in 1611 by Edward Zouch.

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The final rule sets a variety of targets depending on the type of plant and the type of coal it burns.

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On average (depending on the type of coal used) 1 kWh produces 1.4 pounds of CO2 which would mean a 25-mile journey using 5 kWh would emit around 7 pounds of CO2 compared to your average vehicles emitting 22 pounds of C02.

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American demand for this type of metallurgical coal has been relatively weak recently, says Macquarie analyst Curt Woodworth.

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On the more modern coal plants like fluidized bed type plants that are already in service, there are several alternatives.

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By type of energy: coal 11 percent, oil 53 percent, gas 9 percent, and electricity and other 28 percent.

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One obvious way for firms in the power sector to reduce their emissions is to switch the type of energy they use, for example from inefficient coal-fired power stations to efficient gas stations.

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Rizk and Machol found a similarly wide range for the valuations for health impacts by fuel type: 19 to 45 cents per kilowatt-hour for coal, 8 to 19 cents per kilowatt-hour for oil, and 1 to 2 cents per kilowatt-hour for natural gas.

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