Compressed Natural Gas (CNG) and Propane Tax

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CNG and propane used in motor vehicles is subject to a state motor fuel tax rate of $0.26 per gasoline gallon equivalent (GGE). For taxation purposes, one GGE is equal to 123.57 standard cubic feet of natural gas and 35.97 cubic feet of propane. For more information, see the Connecticut Department of Revenue Services Special Notice website. (Reference Connecticut General Statutes 12-458)