1975.012.599999999999999644728632119949907064437866210937515.2 1976.011.400000000000000355271367880050092935562133789062515.9 1977.010.80000000000000071054273576010018587112426757812513.9 1978.01014.6 1979.09.80000000000000071054273576010018587112426757812511.8 1980.08.511.6 1981.07.900000000000000355271367880050092935562133789062511.5 1982.07.59999999999999964472863211994990706443786621093758.6 1983.07.700000000000000177635683940025046467781066894531258.2 1984.07.59999999999999964472863211994990706443786621093758.8 1985.07.40000000000000035527136788005009293556213378906258.4 1986.07.09999999999999964472863211994990706443786621093758.9 1987.07.09999999999999964472863211994990706443786621093758.7 1988.078.8 1989.07.200000000000000177635683940025046467781066894531258.9 1990.07.299999999999999822364316059974953532218933105468759 1991.07.200000000000000177635683940025046467781066894531259.3 1992.07.299999999999999822364316059974953532218933105468759.5 1993.07.200000000000000177635683940025046467781066894531259.9 1994.07.299999999999999822364316059974953532218933105468759.4 1995.07.200000000000000177635683940025046467781066894531259.5 1996.07.299999999999999822364316059974953532218933105468759.2 1997.07.299999999999999822364316059974953532218933105468758.8 1998.07.299999999999999822364316059974953532218933105468759.3 1999.07.40000000000000035527136788005009293556213378906259.1 2000.07.40000000000000035527136788005009293556213378906259.5 2001.07.40000000000000035527136788005009293556213378906259 2002.07.299999999999999822364316059974953532218933105468758.8 2003.07.299999999999999822364316059974953532218933105468758.5 2004.07.299999999999999822364316059974953532218933105468758.5 2005.07.200000000000000177635683940025046467781066894531258.4 2006.07.299999999999999822364316059974953532218933105468758.3 2007.078.2 2008.078 2009.06.700000000000000177635683940025046467781066894531257.7 2010.06.57.4 2011.06.59999999999999964472863211994990706443786621093757.2 2012.06.200000000000000177635683940025046467781066894531257.3 2013.067 2014.066.9 2015.05.90000000000000035527136788005009293556213378906256.7 2016.05.799999999999999822364316059974953532218933105468756.5 2017.05.59999999999999964472863211994990706443786621093756.5 2018.05.56.3 2019.05.409992488777869645844020851654931902885437011718756.1779027396296 2020.05.292448534017750283453551674028858542442321777343756.04725197638439 Average annual percentage change 1975–2020-0.01900891207981303399066064230282790958881378173828125-0.020226054318224995 2010–2020-0.020136585589316524647074402309954166412353515625-0.01947142962751469 Source: Calculated using fuel economy from the U.S. Environmental Protection Agency, The 2020 EPA Automotive Trends Report, EPA-420-R-21-003, 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 Car SUV category is defined in Table 4.10.