Abstract

The rolling resistance of tires and the fundamental factors influencing rolling resistance during laboratory and road testing are discussed. Test methodologies for vehicle fuel consumption, vehicle coast‐down, rolling resistance trailer measurements, and laboratory testing are described. This paper is confined to passenger tire characteristics and deals primarily with test techniques, although some observations are made regarding tire construction, the effect of environment, comparison of test methods, test parameter effects, and the interrelationships between various test modes.

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