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UN Regulation No. 84
Measurement of Passenger Car Fuel Consumption

Uniform provisions concerning the approval of vehicles with regard to the emission of pollutants according to engine fuel requirements

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Revisions and Amendments
Series of Amendments and Supplements

Application of the Regulation

Contracting Parties applying UN R84

Related News and Information

6 Jul 2015 6 Jul 2015 | Autonomous Taxis Would Deliver Significant Environmental and Economic Benefits Global technical regulation on hydrogen and fuel cell vehicles This regulation specifies safety-related performance requirements for hydrogen-fueled vehicles. The regulation aims to minimize the risk of serious injury due to fire, burst or explosion related to the vehicle fuel system and/or from electric shock caused by the vehicle’s high voltage system. Hydrogen/Fuel Cell Vehicles Hydrogen and Fuel Cell Vehicle Safety GTR No. 13 GTR No. 13, Electric Vehicles & the Environment Electric Vehicle Environmental Performance WP.29 Regulatory Project Electric Vehicle Environmental Performance, n.a. The United Nations is involved with numerous efforts to promote "sustainable development" globally. This topic page gathers related documents that touch on WP.29 and regulatory activities. Sustainable Development Transport for Sustainable Development WP.29 Discussion Topic Transport for Sustainable Development, Uniform Provisions Concerning the Approval of Vehicles with regard to the Emission of Pollutants According to Engine Fuel Requirements Together with R49, Regulation 83 addresses vehicle emissions. R83 covers emissions from all light vehicles (M1/N1) regardless of engine type and from heavier vehicles only if equipped with a gasoline engine. Under certain circumstances, R83 or R49 can apply to light vehicle CNG/LPG engines as well as to medium passenger and commercial vehicles (M2/N2) equipped with diesel engines. R83 also contains provisions specific to hybrid variations of the vehicles under its purview. Motor Vehicle Emissions Motor Vehicle Emissions UN Regulation No. 83 UN R83, Uniform provisions concerning the approval of vehicles with regard to the emission of pollutants according to engine fuel requirements Fuel Consumption Measurement Measurement of Passenger Car Fuel Consumption UN Regulation No. 84 UN R84, and Uniform Provisions Concerning the Approval of Passenger Cars Powered by an Internal Combustion Engine Only, or Powered by a Hybrid Electric Power Train with Regard to the Measurement of the Emission of Carbon Dioxide and Fuel Consumption and/or the Measurement of Electric Energy Consumption and Electric Range, and of Categories M1 and N1 Vehicles Powered by an Electric Power Train Only with Regard to the Measurement of Electric Energy Consumption and Electric Range CO2 Emissions/Fuel Consumption Carbon Dioxide Emissions and Fuel/Energy Consumption UN Regulation No. 101 UN R101
1 May 2014 1 May 2014 | EU C02 emissions report Uniform provisions concerning the approval of vehicles with regard to the emission of pollutants according to engine fuel requirements Fuel Consumption Measurement Measurement of Passenger Car Fuel Consumption UN Regulation No. 84 UN R84
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Development of the Regulation

No changes to this regulation are pending.

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