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Excel | CSV
Pollutant Engine displacement Emissions prior to controlsc 1978-79 1980-89 1990-96 1997+ Gasoline-powered HC...Excel | CSV
Engine type and pollutant 1970-73 1974-78 1979-83 1984 1985-86 1987 1988-89 1990 1991-93 1994-97...Excel | CSV
Engine type and pollutant 1970-73 1974-78 1979-83 1984 1985-86 1987 1988-89 1990 1991-93...Excel | CSV
Engine type and pollutant Interim Tier 2f Tier 2f 2004 2004 2008 2008 2009+ 2009...Excel | CSV
Engine type and pollutant Prior to controlg 1968-1969 1970-1971 1972 1973-1974 1975 1976-1978 1979...Excel | CSV
Engine type and pollutant Prior to controlg 1968-1969 1970-1971 1972 1973-1974 1975 1976-1978 1979...Excel | CSV
Engine type and pollutant Prior to controlg 1968-1969 1970-1971 1972 1973-1974 1975 1976-1978 1979...Excel | CSV
Engine type and pollutant Prior to controlg 1968-1969 1970-1971 1972 1973-1974 1975 1976-1978 1979...Excel | CSV
Engine type and pollutant Prior to controld 1968-1969 1970-1971 1972 1973-1974 1975-1976 1977-1979 1980 1981...Excel | CSV
Population group Urban area Gallons wasted Percent changea Short-term 1998-2003 Percent changea Long term 1982-2003 1982 1985 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Percent Rank...