FIGURE 8-2 Transportation Energy Use by Energy Source: 1950-2012
Quadrillion Btu
| Coal | Natural Gas | Petroleum | Biomass | Electricity | |
|---|---|---|---|---|---|
| 1950 | 1.56 | 0.13 | 6.69 | 0.00 | 0.02 |
| 1951 | 1.38 | 0.20 | 7.36 | 0.00 | 0.02 |
| 1952 | 0.98 | 0.21 | 7.71 | 0.00 | 0.02 |
| 1953 | 0.73 | 0.24 | 8.06 | 0.00 | 0.02 |
| 1954 | 0.46 | 0.24 | 8.12 | 0.00 | 0.02 |
| 1955 | 0.42 | 0.25 | 8.80 | 0.00 | 0.02 |
| 1956 | 0.34 | 0.31 | 9.14 | 0.00 | 0.02 |
| 1957 | 0.24 | 0.31 | 9.29 | 0.00 | 0.02 |
| 1958 | 0.12 | 0.32 | 9.51 | 0.00 | 0.01 |
| 1959 | 0.09 | 0.36 | 9.85 | 0.00 | 0.01 |
| 1960 | 0.07 | 0.36 | 10.13 | 0.00 | 0.01 |
| 1961 | 0.02 | 0.39 | 10.32 | 0.00 | 0.01 |
| 1962 | 0.02 | 0.40 | 10.77 | 0.00 | 0.01 |
| 1963 | 0.02 | 0.44 | 11.17 | 0.00 | 0.01 |
| 1964 | 0.02 | 0.45 | 11.50 | 0.00 | 0.01 |
| 1965 | 0.02 | 0.52 | 11.87 | 0.00 | 0.01 |
| 1966 | 0.01 | 0.55 | 12.50 | 0.00 | 0.01 |
| 1967 | 0.01 | 0.59 | 13.11 | 0.00 | 0.01 |
| 1968 | 0.01 | 0.61 | 14.21 | 0.00 | 0.01 |
| 1969 | 0.01 | 0.65 | 14.81 | 0.00 | 0.01 |
| 1970 | 0.01 | 0.74 | 15.31 | 0.00 | 0.01 |
| 1971 | 0.00 | 0.77 | 15.92 | 0.00 | 0.01 |
| 1972 | 0.00 | 0.79 | 16.89 | 0.00 | 0.01 |
| 1973 | 0.00 | 0.74 | 17.83 | 0.00 | 0.01 |
| 1974 | 0.00 | 0.68 | 17.40 | 0.00 | 0.01 |
| 1975 | 0.00 | 0.59 | 17.62 | 0.00 | 0.01 |
| 1976 | 0.00 | 0.56 | 18.51 | 0.00 | 0.01 |
| 1977 | 0.00 | 0.54 | 19.24 | 0.00 | 0.01 |
| 1978 | 0.00 | 0.54 | 20.04 | 0.00 | 0.01 |
| 1979 | 0.00 | 0.61 | 19.83 | 0.00 | 0.01 |
| 1980 | 0.00 | 0.65 | 19.01 | 0.00 | 0.01 |
| 1981 | 0.00 | 0.66 | 18.81 | 0.01 | 0.01 |
| 1982 | 0.00 | 0.61 | 18.42 | 0.02 | 0.01 |
| 1983 | 0.00 | 0.51 | 18.60 | 0.03 | 0.01 |
| 1984 | 0.00 | 0.54 | 19.02 | 0.04 | 0.01 |
| 1985 | 0.00 | 0.52 | 19.47 | 0.05 | 0.01 |
| 1986 | 0.00 | 0.50 | 20.18 | 0.06 | 0.02 |
| 1987 | 0.00 | 0.54 | 20.82 | 0.07 | 0.02 |
| 1988 | 0.00 | 0.63 | 21.57 | 0.07 | 0.02 |
| 1989 | 0.00 | 0.65 | 21.71 | 0.07 | 0.02 |
| 1990 | 0.00 | 0.68 | 21.63 | 0.06 | 0.02 |
| 1991 | 0.00 | 0.62 | 21.37 | 0.07 | 0.02 |
| 1992 | 0.00 | 0.61 | 21.67 | 0.08 | 0.02 |
| 1993 | 0.00 | 0.64 | 21.98 | 0.09 | 0.02 |
| 1994 | 0.00 | 0.71 | 22.50 | 0.10 | 0.02 |
| 1995 | 0.00 | 0.72 | 22.95 | 0.11 | 0.02 |
| 1996 | 0.00 | 0.74 | 23.57 | 0.08 | 0.02 |
| 1997 | 0.00 | 0.78 | 23.81 | 0.10 | 0.02 |
| 1998 | 0.00 | 0.67 | 24.42 | 0.11 | 0.02 |
| 1999 | 0.00 | 0.68 | 25.10 | 0.12 | 0.02 |
| 2000 | 0.00 | 0.67 | 25.68 | 0.13 | 0.02 |
| 2001 | 0.00 | 0.66 | 25.41 | 0.14 | 0.02 |
| 2002 | 0.00 | 0.70 | 25.91 | 0.17 | 0.02 |
| 2003 | 0.00 | 0.63 | 26.06 | 0.23 | 0.02 |
| 2004 | 0.00 | 0.60 | 26.92 | 0.29 | 0.02 |
| 2005 | 0.00 | 0.62 | 27.31 | 0.34 | 0.03 |
| 2006 | 0.00 | 0.62 | 27.65 | 0.47 | 0.03 |
| 2007 | 0.00 | 0.66 | 27.76 | 0.60 | 0.03 |
| 2008 | 0.00 | 0.69 | 26.41 | 0.83 | 0.03 |
| 2009 | 0.00 | 0.71 | 25.34 | 0.94 | 0.03 |
| 2010 | 0.00 | 0.72 | 25.59 | 1.07 | 0.03 |
| 2011 | 0.00 | 0.73 | 25.25 | 1.16 | 0.03 |
| 2012 | 0.00 | 0.76 | 24.70 | 1.16 | 0.03 |
KEY: Btu = British thermal unit
SOURCE: U.S. Department of Energy, Energy Information Administration, Annual Energy Review, table 2.1e, Monthly Energy Review, table 2.5. Available at http://www.eia.gov as of September 2013.