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Standards Development
This document specifies methods for measuring rolling resistance, under controlled laboratory conditions, for new pneumatic tyres designed primarily for use on passenger cars, trucks and buses. This document is not applicable to tyres intended for temporary use only. It includes a method for correlating measurement results to allow inter-laboratory comparisons. It is designed to facilitate international cooperation and, possibly, regulation building.
Measurement of tyres using the methods of this standard enables comparisons to be made between the rolling resistance of new test tyres when they are free-rolling straight ahead, in a position perpendicular to the drum outer surface, and in steady-state conditions.
During the measurement of rolling resistance using the methods of this standard, the value of the rolling circumference of the tyre can be derived using the drum method of either standard ISO 9112 or ISO 17269.
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