UN ECE R84 tests cover a series of tests carried out in accordance with the relevant regulation for the evaluation of vehicles in categories M1 and N1 in terms of fuel consumption.
ECE regulations define cross-border technical regulations for establishing approval or uniform approval procedures for motor vehicles and motor vehicle parts. Automated commercial vehicles are already fully eligible for approval only through appropriate individual measures in the country in which they will be used. What is missing is a set of rules at the international ECE level.
Regulation (UN/ECE) No. 84 of the United Nations Economic Commission for Europe —Contains the uniform provisions regarding the approval of the fuel consumption measurement of passenger vehicles equipped with internal combustion engines and the tests applied accordingly.
This Regulation applies to the measurement of fuel consumption from all internal combustion engine vehicles of category M2 and category N1 with a maximum total mass of less than 1 tons, specified by the manufacturer. If the fuel consumption of the vehicle type submitted for approval has been measured according to the conditions specified in the regulation and it meets these conditions, the approval of that vehicle type is given.
The vehicle will be subjected to the tests specified in Annex 4 of this Regulation under the following driving conditions:
The results of the tests will be expressed in liters/100 km, rounded up to 100 liters per 0.1 km.
Within the scope of the regulation, many mechanical, dynamic and environmental tests are carried out as well as measurements for the approval of the relevant equipment. For tests to be considered successful, test results must meet regulatory requirements.
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