Energy Conservation (Fuel Economy and Vehicular Emissions Labelling) Regulations 2012.

These Regulations provides for the requirements for fuel economy and vehicular emissions labelling, including documents to be submitted, contents and conditions of issuance for fuel economy and vehicular emissions labels, and revocation of labels.
A fuel economy label approved for a motor vehicle, a model of motor vehicle or a batch of motor vehicles shall state all of the following information: (a) the fuel consumption or electric energy consumption or both (as the case may be) for the combined driving cycle of the motor vehicle or the model or batch of motor vehicles, as stated in the information and documents submitted under regulation 3(2), and expressed in accordance with regulation 8(3); (b) the carbon dioxide emissions for the combined driving cycle of the motor vehicle, as stated in the information and documents submitted under regulation 3(2), and expressed in accordance with regulation 8(3); (c) the comparison of carbon dioxide emissions with other models of motor vehicles; (d) the vehicle make and model of the motor vehicle; (e) the engine capacity of the motor vehicle; (f) the fuel type on which the motor vehicle runs.