UN ECE R101 tests cover a series of tests performed in accordance with the relevant regulation for the evaluation of vehicles in the categories specified in the regulation in terms of CO2 and fuel consumption measurement and electricity consumption measurement.
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 101 (UN/ECE) of the United Nations Economic Commission for Europe — Approval of CO2 and Fuel Consumption Measurement of Passenger Vehicles Equipped with Internal Combustion Engines and Electrical Energy Consumption and Range Measurement of N1 and M1 Class Vehicles Equipped with an Electric Power Source It covers the uniform provisions and the tests applied accordingly.
This Regulation covers the measurement of carbon dioxide (CO2) emission and fuel consumption and/or the measurement of electrical energy consumption and electric range of vehicles in category M1 operating only with an internal combustion engine or a hybrid electric powertrain, and the measurement of electric energy consumption and electric range of vehicles in category M1 and N1. Applies only to the measurement of operation with an electric powertrain.
Approval of a vehicle means approval of a vehicle type with regard to the measurement of energy consumption (fuel or electrical energy). Components that may affect CO2 emissions, fuel consumption or electrical energy consumption must be designed, manufactured and installed in such a way as to ensure that the vehicle is fit for conditions despite the vibrations it may experience in normal use.
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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