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Compare heating your home using natural gas, vs. heating directly with electricity generated by a power plant using natural gas as the fuel. This direct

Compare heating your home using natural gas, vs. heating directly with electricity generated by a power plant using natural gas as the fuel. This direct heating is done by a space heater, which converts the electrical energy to heat energy with 100% efficiency. Assume the natural gas furnace has 90% efficiency. Which makes more sense environmentally (at the level of the planet), and why?

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