An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Excel | CSV
1970 1975 1980 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 TOTAL all sources 220.88 159.67 74.16 22.89 14.77 7.68 7.05 5.49 4.98 4.17 3....Excel | CSV
1970 1975 1980 1985 1990 1995 1996 1997 1998 1999 2000 TOTAL all sources 31.16 28.01 25.91 23.66 23.68 19.19 R19.45 R19.94 R20.06 R19.35 18.20...Excel | CSV
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Total all sourcesR 7.65 7.43 7.32 7.25 7.65 7.01 6.72 7.04 6.74 7.08 7.75...Excel | CSV
1970 1975 1980 1985 1990 1995 1996 1997 1998 1999 2000 Total all sources 13.04 7.67 7.12 R41.40 R27.88 R25.93 R23.25 R24.10 R23.72 R24.04 24.88...Excel | CSV
1970 1975 1980 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Total all sources 30.98 26.08 R26.34 24.43 23.62 23.47...Excel | CSV
1970 1975 1980 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 TOTAL all sources 20.93 22.65 24.39 23.20 22.81 23.07 24.13 23.89...Excel | CSV
1970 1975 1980 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 TOTAL all sources 129.44 116.76 117.43 117.01 111.53 110.80 118.73...Excel | CSV
R1995 R1996 R1997 R1998 R1999 R2000 R2001 2002 Light-duty vehicles ...Excel | CSV
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 GASOLINE (assuming zero RFG) ...Excel | CSV
Engine categoryc Displacement (liters/cylinder) Rated power (kW) Year NOx + THC (g/kW-hr) PM (g/kW-hr) CO (g/kW-hr) Useful Lifed Warranty...