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They're just referencing the earlier claim that the new natural gas boiler is cleaner than the old coal boiler. The sentence is worded incorrectly, and doesn't
by marmetio 4y ago
They're just referencing the earlier claim that the new natural gas boiler is cleaner than the old coal boiler. The sentence is worded incorrectly, and doesn't claim to be a cleaner distribution method either. They said they keep it because it's too difficult to sufficiently upgrade the buried electrical distribution system.