| http://www.w3.org/ns/prov#value | - History says they???re probably right.So the answer to a potential customer who protests that gas prices will remain low for many years and that investing in energy-saving improvements is unnecessary is: ???May I call you next year???? Meanwhile, follow the prices of natural gas, propane, heating oil, electricity, and other energy sources at the U.S. Energy Information Administration (www.eia.gov)
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