2024年版汽车趋势报告英文版

EPA AutomotiveTrends Report Greenhouse Gas Emissions,Fuel Economy, and Technologysince 1975 EPA-420-R-24-022 November 2024 This technical report does not necessarily represent final EPA decisions, positions, or validation ofcompliance data reported to EPA by manufacturers. It is intended to present technical analysis of issuesusing data that are currently available and that may be subject to change. Historic data have beenadjusted, when appropriate, to reflect the result of compliance investigations by EPA or any othercorrections necessary to maintain data integrity. The purpose of the release of such reports is to facilitate the exchange of technical information and toinform the public of technical developments. This edition of the report supersedes all previous versions. November 25, 2024 This year marks the 50thanniversary oftheU.S.Environmental ProtectionAgency’sAutomotiveTrendsReport. This report,whichprovidesthepublicunparalleledinsightintotheautomotiveindustry,exemplifies not only the important work that theEPAisdoingtoday,butalsothelongandrichhistoryof theagency’scommitmenttoscience,dataand transparency. TheEPAwasfounded with strongbipartisan supporttoprotectourenvironmentand publichealth. TheEPA’spartnershipwiththeautomotiveindustrywasestablishedfrom theverybeginning,asthe CleanAir Actof1970taskedthefledglingagencywiththeambitiousgoalof reducingcarpollution.Intheyearsthatfollowed,theEPA’s emissionsstandardshavecatalyzedwidespread useof new, cleantechnologies;eliminatedleadingasoline;reducedevaporativeemissionsfrom vehicles;andultimatelyled toan impressive99percentreductionof common vehicle-tailpipepollutants,suchashydrocarbons,carbon monoxide,nitrogen oxidesandparticulatematter.These improvementshave made directimpactsonourair quality, improvedpeople’shealth andsavedlives. Through alltheincrediblechangeand innovationthathastaken placein theautoindustrysince1975,theTrendsReporthasbeen theretoprovidedata,insightand transparencytotheAmerican public.TheEPAhasbeen gatheringand maintainingdatathatcoverseverynewlight-dutyvehicleproduced forsalein theUnited Statessince model year 1975, and this uniquedataset forms the foundation of thisannualresource.Aswith each iteration,thisedition addsnewanalysisand moredata,includingnewlayersoftransparencythroughits online companiondatatools.Thereportalsoprovidesa detailedlookathowautomotivemanufacturersaredoingundertheEPA’scurrentlight-dutygreenhousegasstandards,providingcritical transparencyonthisimportantprogram.Byunderstandingourhistoryand by settinga common baseline for where we are today, the TrendsReport is part of the backbone of what theEPAandtheautomotiveindustryhaveaccomplishedandwill beabletoaccomplishinthefuture. I amproud tointroducethe 50thanniversaryEPAAutomotiveTrendsReport.Thisreportcontinuestobeacritical waythattheEPAdeliversonits mission to protecthuman healthandtheenvironmentformore thanhalfa centuryandcounting.Congratulationstotheincrediblecareerteam at theEPAwhohavemadethisreportpossible.I hopethat everyone whoreliesonthisauthoritativereportfindsitasinsightful andinformativeas ever. This page left intentionally blank. Table of Contents 1.Introduction.................................................................................................................................1 A.What’s New This Year............................................................................................................................1B.Manufacturers in this Report...............................................................................................................2C.Fuel Economy and CO2Metrics in this Report...................................................................................3D.Other Sources of Data...........................................................................................................................5 2.Fleetwide Trends Overview........................................................................................................6 A.Overall Fuel Economy and CO2Trends...............................................................................................6B.Production Trends...............................................................................................................................10C.Manufacturer Fuel Economy and CO2Emissions............................................................................11 3.Vehicle Attributes......................................................................................................................17 A.Vehicle Class and Type........................................................................................................................17B.Vehicle Weight......................................................................................................................................23C.Vehicle Power.................................................................................................................................