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Toluene at refinery
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Thermal energy from natural gas (residential heating system) (direct)
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Thermal energy from natural gas (residential heating system) (indirect)
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Thermal Energy from natural gas 100% – open natural gas
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Thermal energy from natural gas 100% (2011) (domestic production)
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Thermal energy from natural gas (indirect)
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Thermal energy from natural gas (indirect)
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Thermal energy from natural gas (indirect)
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Thermal energy from natural gas (indirect)
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Thermal energy from natural gas (indirect)
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