美国环保署（EPA）：2025年版汽车趋势报告（英文版）（117页）.pdf

1、Fuel Economy and Technology since 1975 EPA Automotive Trends Report 2025 The EPA-420-R-26-001 February 2026 This technical report does not necessarily represent final EPA decisions,positions,or validation of compliance data reported to EPA by manufacturers.It is intended to present technical analysi

2、s of issues using data that are currently available and that may be subject to change.Historic data have been adjusted,when appropriate,to reflect the result of compliance investigations by EPA or any other corrections necessary to maintain data integrity.The purpose of the release of such reports i

3、s to facilitate the exchange of technical information and to inform the public of technical developments.This edition of the report supersedes all previous versions.i Table of Contents 1.Introduction.1 A.Whats New This Year.1 B.Manufacturers in this Report.2 C.Fuel Economy Metrics in this Report.3 D

4、.Other Sources of Data.4 2.Fleetwide Trends Overview.5 A.Overall Fuel Economy Trends.5 B.Production Trends.8 C.Manufacturer Fuel Economy.10 3.Vehicle Attributes.15 A.Vehicle Class and Type.15 B.Vehicle Weight.22 C.Vehicle Power.28 D.Vehicle Footprint.34 E.Vehicle Type and Attribute Tradeoffs.39 4.Ve

5、hicle Technology.46 A.Vehicle Propulsion.52 B.Vehicle Drivetrain.75 C.Technology Adoption and Comparison.81 ii Table of Figures Figure 2.1.Estimated Real-World Fuel Economy.5 Figure 2.2.Trends in Fuel Economy Since Model Year 1975.7 Figure 2.3.Distribution of New Vehicle Fuel Economy by Model Year.8

6、 Figure 2.4.New Vehicle Production by Model Year.9 Figure 2.5.Changes in Estimated Real-World Fuel Economy by Manufacturer.11 Figure 3.1.Regulatory Classes and Vehicle Types Used in This Report.16 Figure 3.2.Production Share and Estimated Real-World Fuel Economy.17 Figure 3.3.Production Share and Es