1975.014.170871997421686572238286316860467195510864257812515.1983706949179115.31560995979388 1976.013.57333575317020901707110169809311628341674804687514.32754876475739714.345709098695378 1977.012.461016792832344535213451308663934469223022460937513.49627078463386513.148355866877273 1978.012.6744589422253781663130212109535932540893554687513.97774839756988513.744045223987499 1979.012.78249568406786451646439672913402318954467773437514.69938725302818316.025068102938285 1980.010.23793339241738564737715933006256818771362304687511.95322708578268212.810166895818465 1981.09.461913695569021953701849270146340131759643554687511.38768501413874811.815879646864193 1982.09.155346028297509874960269371513277292251586914062511.47858166916145411.498905014872893 1983.08.966712800194526877817224885802716016769409179687511.21906069835867310.70457483405805 1984.09.26743402597701404488361731637269258499145507812510.49371635136912910.443108469271426 1985.09.29708782580651771354496304411441087722778320312510.2213308755136510.225791434205014 1986.08.9733282035785286723239551065489649772644042968759.6838529973571679.930139094996646 1987.08.89092496419100086768594337627291679382324218759.5805918014062789.793067955859316 1988.09.3272295122358563901343586621806025505065917968759.464264461922359.936441614042096 1989.09.50428078772906026472355733858421444892883300781259.5070774358746710.2171319454807 1990.09.71611024648609422627032472519204020500183105468759.48220996247427710.289094842974844 1991.09.30444727407889793369122344302013516426086425781259.44716806185466910.107519354578457 1992.09.6778081090929681806755979778245091438293457031259.44112362131045110.436130138842003 1993.09.6206874851793919845022173831239342689514160156259.29668692287069310.380157903750431 1994.09.699833038719837929875211557373404502868652343759.48547966118703410.563671822052958 1995.010.01408335898905299643502075923606753349304199218759.36012463989379410.569081781087014 1996.09.8645279578445475010539666982367634773254394531259.2274606624677410.420924431922174 1997.010.045434309202967426699615316465497016906738281259.31023538499628810.482358651180553 1998.09.9523874236128513359744829358533024787902832031259.05235605584506210.462245998330717 1999.010.38403626389079015268634975655004382133483886718759.25814520393709910.519544101096857 2000.010.1559136133702914150944707216694951057434082031259.09491941865745110.563737443507183 2001.010.5987382698250520718374900752678513526916503906259.3777364916428510.303335356480723 2002.010.732969088395229562138410983607172966003417968759.05079801946206410.368679341211442 2003.010.5175337988378565512448403751477599143981933593758.91707025330426210.296643301002794 2004.010.74369845788608124337315530283376574516296386718758.83363839142673210.266076214283851 2005.010.6682662243181489714061171980574727058410644531258.77030705076895610.106540712571586 2006.010.47765078416951212147978367283940315246582031258.6687176574621629.856290097294199 2007.010.45844372095439744896339107071980834007263183593758.6827843699402069.570429388898443 2008.010.26471337969310759774543839739635586738586425781258.5429283661116089.303908504206634 2009.010.0084524884200369854170276084914803504943847656258.438795477889058.781490099287248 2010.010.03670624886512108275837817927822470664978027343758.4168308335723328.602182000350574 2011.09.81395493729429979623546387301757931709289550781258.0854851130495568.541576074690164 2012.09.83060880116739888023857929510995745658874511718757.9648849062219218.463521263009945 2013.09.68162794746230481734983186470344662666320800781258.0440389762166058.13154665628404 2014.09.38090306635546689051352586830034852027893066406257.96481429045625957.845965765909285 2015.08.9988664680696750508559489389881491661071777343757.7784878677614927.72218176481928 2016.08.9451266115185354976802045712247490882873535156257.8214381938443147.6256123758640415 2017.08.947352868197548048101452877745032310485839843757.6163533598443867.581443469834846 2018.08.775151774208431731949531240388751029968261718757.3923477028362497.379046775425803 2019.08.63057530242006976095581194385886192321777343757.32256797800147.30847714758523 2020.08.50427368400345073951029917225241661071777343757.191861209685697.20101951999009 Average annual percentage change 1975–2020-0.01128297033154634920748549120617099106311798095703125-0.016490042121115156-0.0166301652429256 2010–2020-0.0164315226631932542744607417262159287929534912109375-0.015605292915672142-0.017622207899086306 Note: Light truck data include pickups, vans, and truck SUVs less than 8,500 lb. Beginning with 2011, SUV and passenger vans up to 10,000 lb were also included. Source: Calculated using fuel economy from the U.S. Environmental Protection Agency, The 2020 EPA Automotive Trends Report, EPA-420-R-21-002, January 2021. See TEDB page 12-15 for details. (Additional resources: https://www.epa.gov/automotive-trends) a Annual carbon footprint is based on 15,000 miles of annual driving. Includes tailpipe plus upstream emissions. b Truck SUV category includes all SUV not in the Car SUV category. Car SUV category is defined in Table 4.10.