In general. In this subtitle, the following terms have the meanings indicated. “Credit price” means the total cost, including any fees, for 1 whole measurement unit of regular gasoline sold on the premises that is payable to a fuel station by a customer using a credit card or other non-cash form of payment. “Motor fuel” means:a light distillate of petroleum or allied substance with suitable volatility and other characteristics to be used as a fuel for operating internal combustion engines whether or not it is mixed with other materials; or any other product or liquid when sold for use as a fuel in any type of internal combustion engine furnishing power to operate a motor vehicle. “Retail dealer” means any person, firm, or corporation operating a service station, filling station, store, garage, or other place of business for the retail sale of motor fuel or the sale or dispensing of motor fuel for delivery into the service tank or tanks of any motor vehicle which is propelled by an internal combustion motor, other than such a motor vehicle belonging to the person owning or operating said place of business. City Code, 1976/83, art. 14, §7 Ord. 76-066