TRB and the Board on Energy and Environmental Systems, part of the National Academies’ Division on Engineering and Physical Sciences (DEPS), have released Special Report 286, Tires and Passenger Vehicle Fuel Economy: Informing Consumers, Improving Performance. This report examines the contribution of tires to vehicle fuel consumption and the prospects for improving tire energy performance without adversely affecting tire life, traction capability, and retail prices. The report reviews the technical literature and analyzes energy performance data from nearly 200 passenger tires on the market today. National fuel savings from improving the energy efficiency of passenger tires by 10 percent are quantified and the implications for consumer spending on tires, motor vehicle safety, and scrap tire generation are considered. Observing that consumers are given little, if any, information on the fuel economy effects of tires, the report recommends that government and industry cooperate to fill this information gap.
Table of Contents
|2 Background on Passenger Tires||17-35|
|3 The Tire’s Influence on Passenger Vehicle Fuel Consumption||36-76|
|4 Rolling Resistance, Traction, and Wear Performance of Passenger Tires||77-104|
|5 National Consumer Savings and Costs||105-122|
|6 Findings, Conclusions, and Recommendations||123-136|
|APPENDIX: Explanation and Comparison of Society of Automotive Engineers Test Procedures for Rolling Resistance||137-145|
|Study Committee Biographical Information||146-152|
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