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Nearly 64% of new cars sold in model year (MY) 1975 had combined highway/city fuel economy of 15 miles per gallon (mpg) or less [blue shading]. By 2010, 63% of cars had fuel economy of 25 mpg or higher [green shading and up]. Light trucks, which typically have lower fuel economy than cars, show a drastic change in the market in the early 1980's – moving towards new light trucks with 15-20 mpg. While the majority of light trucks sold are still in the 15-20 mpg range, more than 37% in 2009 and 2010 were 20 mpg or higher.

New Car Market Share by Fuel Economy, MY1975-2010
Graph showing new car market share by fuel economy from 1975 to 2010. For more detailed information, see supporting information below.
New Light Truck Market Share by Fuel Economy, MY1975-2010
Graph showing new light truck market share by fuel economy from 1975 to 2010. For more detailed information, see supporting information below.

 

Supporting Information

Car Market Share
Model Year 5-10
mpg
10-15
mpg
15-20
mpg
20-25
mpg
25-30
mpg
30-35
mpg
35-40
mpg
40-45
mpg
45-50
mpg
50-55
mpg
55-60
mpg
1975 6.6% 57.3% 23.9% 9.0% 3.1%            
1976 0.2% 57.6% 24.4% 13.2% 3.8% 0.7%          
1977 0.2% 44.0% 36.7% 10.2% 6.6% 1.5% 0.8%        
1978 0.3% 26.8% 48.4% 13.7% 6.9% 3.6% 0.3%        
1979 0.0% 24.2% 48.5% 17.9% 8.0% 1.0% 0.4%        
1980 0.0% 5.7% 44.7% 33.0% 12.7% 2.7% 1.0% 0.2%      
1981 0.0% 2.6% 38.1% 33.6% 18.4% 5.1% 1.5% 0.8%      
1982 0.0% 0.3% 31.1% 31.7% 27.9% 7.0% 1.2% 0.8%      
1983 0.0% 0.3% 33.6% 29.5% 24.8% 9.5% 1.9% 0.4% 0.0%    
1984 0.0% 0.1% 26.9% 33.1% 30.8% 5.6% 3.0% 0.4% 0.2%    
1985 0.0% 0.1% 27.5% 28.9% 33.8% 7.3% 1.5% 0.4% 0.5%    
1986 0.0% 0.3% 16.3% 36.5% 36.8% 7.3% 1.9% 0.3% 0.3% 0.1% 0.2%
1987 0.0% 0.3% 15.3% 40.3% 33.4% 8.7% 1.6% 0.0% 0.3% 0.2%  
1988 0.0% 0.3% 13.8% 40.6% 34.2% 8.2% 2.5% 0.0% 0.2% 0.2%  
1989 0.0% 0.3% 13.8% 46.6% 30.8% 6.2% 1.9% 0.0% 0.3% 0.1%  
1990 0.0% 0.2% 13.4% 51.1% 28.9% 5.3% 0.7% 0.1% 0.3% 0.1%  
1991 0.0% 0.2% 14.5% 50.4% 27.3% 5.9% 0.9% 0.7% 0.1% 0.0%  
1992 0.0% 0.2% 11.8% 57.5% 22.8% 5.1% 1.6% 0.8% 0.1% 0.1%  
1993 0.0% 0.1% 13.1% 53.4% 25.5% 5.5% 1.6% 0.7% 0.0% 0.1%  
1994   0.1% 16.1% 52.1% 24.6% 4.9% 1.5% 0.6% 0.0% 0.1%  
1995 0.0% 0.1% 13.5% 52.6% 25.8% 7.1% 0.5% 0.4% 0.0%    
1996   0.1% 10.4% 62.2% 21.5% 5.1% 0.4% 0.3%      
1997   0.1% 10.9% 59.7% 25.2% 3.7% 0.2% 0.2%      
1998   0.1% 9.9% 59.4% 26.8% 3.4% 0.1% 0.3%      
1999   0.1% 9.9% 65.6% 22.6% 1.6% 0.1% 0.1%      
2000 0.0% 0.0% 9.2% 69.8% 19.0% 1.6% 0.2% 0.2%     0.1%
2001 0.0% 0.0% 11.8% 60.7% 19.9% 7.0% 0.1% 0.3% 0.0%   0.0%
2002   0.1% 10.1% 65.8% 17.5% 5.9% 0.2% 0.4% 0.0%   0.0%
2003 0.0% 0.1% 10.4% 60.3% 24.2% 4.1% 0.0% 0.8% 0.0% 0.0%  
2004   0.1% 13.1% 56.3% 27.2% 2.2% 0.2% 0.3% 0.6% 0.0%  
2005   0.2% 13.5% 47.7% 30.3% 6.4% 0.1% 0.3% 1.5% 0.0%  
2006   0.4% 13.8% 51.9% 23.5% 8.9% 0.0% 0.4% 1.1% 0.0%  
2007   0.3% 10.1% 43.9% 32.3% 11.1%   0.4% 2.0%    
2008   0.3% 8.9% 44.6% 33.3% 9.9% 0.3% 0.4% 2.3%    
2009   0.2% 5.1% 33.7% 40.7% 18.1% 0.4% 0.3% 1.5%    
2010   0.2% 6.1% 31.1% 37.4% 20.2% 1.0% 1.2% 2.8%    

Source: U.S. Environmental Protection Agency, Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends: 1975 Through 2010, Appendix C.

 

Light Truck Market Share
Model Year 5-10
mpg
10-15
mpg
15-20
mpg
20-25
mpg
25-30
mpg
30-35
mpg
35-40
mpg
40-45
mpg
45-50
mpg
50-55
mpg
55-60
mpg
1975 27.6% 52.1% 17.9% 2.5%              
1976 12.3% 66.0% 16.6% 5.1%              
1977 3.8% 66.0% 19.8% 9.1% 1.3%            
1978 3.1% 68.6% 18.9% 8.5% 0.9%            
1979 14.4% 59.1% 18.6% 6.7% 1.2%            
1980 0.2% 40.7% 37.9% 19.1% 1.5%   0.6%        
1981 0.0% 22.8% 50.7% 16.1% 7.1% 2.6% 0.7%        
1982   21.8% 45.3% 23.7% 7.9% 0.7% 0.6%        
1983   20.8% 41.4% 27.1% 9.7% 0.9% 0.2%        
1984 0.1% 23.9% 42.8% 25.4% 7.0% 0.7% 0.1%        
1985 0.0% 27.2% 40.2% 27.7% 4.7% 0.3% 0.0%        
1986   19.4% 42.0% 33.2% 5.3% 0.1% 0.0%        
1987   16.9% 44.2% 32.9% 6.0% 0.0% 0.0%        
1988 0.0% 17.4% 53.6% 22.2% 6.8%            
1989   18.3% 54.9% 24.2% 2.6%            
1990 0.3% 21.4% 56.2% 18.5% 3.5%            
1991   15.7% 61.8% 20.5% 2.1%            
1992   18.2% 61.7% 20.0% 0.1%            
1993   13.1% 69.1% 17.8% 0.0%            
1994   21.7% 62.3% 15.8% 0.1%            
1995   23.5% 60.8% 15.6% 0.0%            
1996   21.0% 61.9% 17.0% 0.1%            
1997   18.3% 69.8% 11.9% 0.0%            
1998   21.8% 63.4% 14.8% 0.0%            
1999   22.4% 65.1% 12.4%              
2000   15.7% 73.4% 10.9%              
2001   21.1% 67.3% 11.6% 0.1%            
2002   18.3% 69.6% 11.7% 0.3%            
2003   22.3% 59.8% 17.8% 0.0%            
2004   23.5% 61.2% 15.3%              
2005 0.0% 18.7% 62.0% 19.1% 0.1%            
2006 0.0% 12.3% 66.8% 19.4% 1.4%            
2007   8.8% 71.1% 19.2% 0.9%            
2008   8.3% 65.1% 25.1% 1.1% 0.3%          
2009   2.2% 57.9% 37.9% 1.6% 0.3%          
2010   3.3% 58.5% 35.0% 3.0% 0.2%          

Source: U.S. Environmental Protection Agency, Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends: 1975 Through 2010, Appendix C.

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