N.C. Gen. Stat. § 119-9
Imitation of standard equipment prohibited.
§ 119-9. Imitation of standard equipment prohibited.
It shall be unlawful for any person, firm or corporation to disguise or camouflage his or their own equipment, by imitating the design, symbol, or trade name of the equipment under which recognized brands of liquid fuels, lubricating oils and similar products are generally marketed.